ENGINEERING WORKS

Spectacle Blind Flanges Manufacturer

Spectacle Blind Flanges Manufacturer
The Spectacle blind Flanges are similar to a blind flanges but different because they fit between two flanges. Spectacle blind gets their name from the similarity to pair or eyeglasses. Once side of Spectacle Blind Flanges is fully closed for complete flow shuts off, whereas the other end is open for full flow. In this setup, the blinds can be rotated without having to take the system apart. It also gives visual confirmation if the line is open or close. It is different from a valve in that the blind is a permanent or long-term isolation device.
JK Engineering Works is regarded as one of the leading producers and Industrial Carbon Steel Spectacle Blind Flanges Exporter in India. These ASME B16.5 Stainless Steel Spectacle Blind Flanges are Made of High-Quality Materials and Designed in Compliance with Industry Standards. The durability, excellent performance, and resistance to corrosion of Stainless Steel Spectacle Blind Flanges are well known. These ASME B16.47 Spectacle Blind Flanges are suitable for a range of industries, including pipeline engineering, heavy engineering, and the automotive sector. 
Our range of flanges, which are available in standard specifications, can also be customised to meet the needs of our customers. The wall thickness of our carbon steel spectacle blind flange is manufactured to meet the measurements of the corresponding pipes. JK ENGINEERING WORKS  provides the most recent technological advancements and maintains a healthy inventory. ready for fastest delivery to any location.
We at JK Engineering Works would like to take the opportunity to introduce as a leading Industrial Carbon Steel Spectacle Blind Flanges Exporter in India. Stainless Steel Spectacle Blind Flanges are stocked or available in the following range of materials and sizes for the oil, gas, petrochemical and allied industries. Pipes with Spectacle Blind Flange can be assembled and disassembled easily. Spectacle Blind Flanges can be forged or plate.

Spectacle Blind Flanges Specification

ASME B16.5 Spectacle Blind Flange Size Chart1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Spectacle Blind Flanges StandardsANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Spectacle Blind Flanges Pressure Rating ANSIClass 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Spectacle Blind Flange
Spectacle Blind Flanges Pressure Calculation in DIN6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Spectacle Blind Flanges
JIS5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Spectacle Blind Flanges
UNI6Bar 10Bar 16Bar 25Bar 40Bar Spectacle Blind Flanges
EN6Bar 10Bar 16Bar 25Bar 40Bar Spectacle Blind Flanges
CoatingOil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Spectacle Blind Flanges
Most common types of Spectacle Blind FlangesForged / Threaded / Screwed / Plate
Test CertificatesEN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique·         Forged, Heat treated and machined
Connect Type/ Flange Face TypeRaised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

TestDirect-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UItrasonic flaw detector, Magnetic particle detector
EquipmentPress machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
OriginIndian / West Europe / Japan / USA / Korean
Manufacturer of

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
Spectacle Blind Flange: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange·         B.S: BS4504 , BS3293, BS1560, BS10·         AS 2129: Table D; Table E; Table H·         ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings·         ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48·         ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

·         American standard (ANSI)

·         German (DIN)

·         British standard (BS)

·         DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 Spectacle Blind Flange

·         The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276

Spectacle Blind Flanges Uses & application

·         Bitumen upgraders.

·         Heavy oil refineries.

·         Nuclear power (mostly seamless).

·         Petrochemicals and acids.

Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Spectacle Blind Flanges Material

Prestige quality Spectacle Blind Flanges Manufacturer in India offer these Carbon Steel Spectacle Blind Flanges in DIN, EN, BS, ISO, JIS or ANSI standard.
Carbon Steel Spectacle Blind FlangeASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Stainless Steel Spectacle Blind FlangeASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
Alloy Steel Spectacle Blind FlangeASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Titanium Spectacle Blind FlangeASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM  R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Copper Spectacle Blind FlangeT1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Copper Nickel Spectacle Blind FlangeASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Brass Spectacle Blind Flange3602 / 2604 / H59 / H62 / etc.
Inconel Spectacle Blind FlangeASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 Spectacle Blind Flange
Hastelloy Spectacle Blind FlangeASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Monel Spectacle Blind FlangeASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 Spectacle Blind FlangeASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Aluminium Spectacle Blind Flange5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Spectacle Blind FlangeASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Duplex Spectacle Blind FlangeS31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Spectacle Blind FlangeS32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy Spectacle Blind FlangeASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
254 Smo Spectacle Blind FlangeASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Nimonic Spectacle Blind FlangeNimonic 75, Nimonic 80A, Nimonic 90
Other Spectacle Blind Flange materialTin bronze, Alumunum bronze, Lead bronze

Spectacle Blind Flanges Dimensions

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/2451660338
3/454210338
1642780338
7342906.438
83481006.438
2102611206.451
107731406.451
3133891506.464
1591021759.764
41721141909.764
51941412159.776
621916824012.776
827621930012.776
1033727336015.7102
1240632443019.1102
1444835647519.1108
1651140646022.4108
1854645758025.4114
2060350863528.4121
2471461075031.8140
NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Class 300 SPECTACLE BLIND FLANGEs

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/25116656.438
3/4642106.438
17027906.438
79421006.438
92481156.438
2108611259.751
127731509.751
3146891709.764
16210218512.764
417811420012.764
521314123515.776
624816827015.776
830521933022.476
1035927338525.4102
1241932445028.4102
1448335651531.8108
1653640657038.1108
1859445763041.1114
2065150868544.5121
2477261081050.8140
NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Class 600 SPECTACLE BLIND FLANGES

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/25116656.438
3/46421806.438
1702706.457
79371009.757
92431159.767
2108551259.757
1276715012.767
31468317012.767
1599618515.776
419110821515.776
523813526519.186
626416229022.486
831821235028.495
1039726543035.1105
1245431549041.1105
1448934652544.5114
1656239760550.8124
1861044865553.8133
2067949772563.5133
2478759784073.2152
NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Class 900 SPECTACLE BLIND FLANGES

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26016806.438
3/46721906.441
176271006.457
86371109.757
95431259.767
21405516512.757
1626719012.767
31658319015.767
420310823519.176
524413528022.486
628616232025.486
835621239535.195
1043226547041.1105
1249531553547.8105
1451834656053.8114
1657239761560.5124
1863544868566.5133
2069649775073.2133
2483559790088.9152
NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Class 1500 SPECTACLE BLIND FLANGES

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26116806.438
3/4672109.741
176271009.764
86351109.764
954112512.770
21405316512.770
1626319015.776
31727820519.176
420610224022.489
525112829028.489
627915432035.189
834920339541.1102
1043225548050.8114
1251830357060.5114
1457533363566.5127
1663838170576.2133
1870242977585.9146
2075247883095.3152
24899575990111.3178
NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Class 2500 SPECTACLE BLIND FLANGES

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26716909.738
3/47321959.741
18327109.764
1023513012.764
1144114515.770
21435317015.770
1656319519.176
31947823022.476
423210227528.489
527612832535.189
631415437041.189
838419844053.8102
1047324854066.5114
1254628962079.2114
NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

ASTM Specification of Spectacle Blind Flanges

Carbon Steel Spectacle Blind Flange

  • A105 Spectacle Blind Flange

  Alloy Steel High-Temp Spectacle Blind Flange

  • A182 Gr F1 Spectacle Blind Flange
  • A182 Gr F11 Spectacle Blind Flange
  • A182 Gr F12 Spectacle Blind Flange
  • A182 Gr F22 Spectacle Blind Flange
  • A182 Gr F5 Spectacle Blind Flange
  • A182 Gr F9 Spectacle Blind Flange

  Alloy Steel Low-Temp Spectacle Blind Flange

  • A350 Gr LF2 Spectacle Blind Flange
  • A350 Gr LF3 Spectacle Blind Flange

  Austenitic Stainless Steel Spectacle Blind Flange

  • A182 Gr F304 Spectacle Blind Flange
  • A182 Gr F316 Spectacle Blind Flange
  • A182 Gr F321 Spectacle Blind Flange
  • A182 Gr F347 Spectacle Blind Flange
  • A182 Gr F304L Spectacle Blind Flange
  • A182 Gr F316L Spectacle Blind Flange
  • A182 Gr F317 Spectacle Blind Flange
  • A182 Gr F317L Spectacle Blind Flange
  • A182 Gr F321 Spectacle Blind Flange
  • A182 Gr F310 Spectacle Blind Flange
  • A182 Gr 347 Spectacle Blind Flange

  Nickel Alloy Spectacle Blind Flange

  • ASTM B564 Spectacle Blind Flange
  • astm b564 uns n06600 Spectacle Blind Flange
  • astm b564 uns n06625 Spectacle Blind Flange
  • astm b564 uns no4400 Spectacle Blind Flange
  • astm b564 uns n08810 Spectacle Blind Flange
  • astm b564 uns n08811 Spectacle Blind Flange
  • astm b564 uns n08825 Spectacle Blind Flange
  • astm b564 uns n04400 Spectacle Blind Flange
  • astm b564 uns n10276 Spectacle Blind Flange
  • astm b564 uns n10665 Spectacle Blind Flange

  Titanium Spectacle Blind Flange

  • astm b381 grade f2 Spectacle Blind Flange
  • astm b381 f5 Spectacle Blind Flange
  • astm b381 f3 Spectacle Blind Flange
  • astm b381 f12 Spectacle Blind Flange
  • astm b381 f7 Spectacle Blind Flange
  • Other grades: ASTM B381 F1, F2, F2H, F3, F4, F5, F6, F7, F7H, F9, F10, F11, F12, F13, F14, F15, F16, F16H, F17, F18, F19, F20, F21, F23, F24, F25, F26 , F26H, F27, F28, F29, F30, F31, F32, F33, F34, F35, F36, F37, F38 Spectacle Blind Flange

Type of Spectacle Blind Flanges we produce:

Spectacle Blind Class 150 FlangesSpectacle Blind Threaded Flanges
Spectacle Blind Class 300 FlangesSpectacle Blind With 1/2 Npt Flanges
Spectacle Blind Class 1500 FlangesSpectacle Blind With Threaded Hole Flanges
Spectacle Blind Class 600 FlangesSpectacle Blind Weight 150#  Flanges
Spectacle Blind Class 900 FlangesSpectacle Blind Rtj 1500 Flanges
Spectacle Blind Class 2500 FlangesSpectacle Blind Ring Type Joint Flanges
Spectacle Blind Pn16 FlangesSpectacle Blind Flat Face Flanges
Spectacle Blind Pn10 FlangesSpectacle Blind Slip On Flanges
Spectacle Blind Pn40 FlangesSpectacle Blind Rtj 900 Flanges
Spectacle Blind Pn 160 FlangesSpectacle Blind Rtj Flanges
Spectacle Blind Pn 64 FlangesSpectacle Blind Npt Flanges
Spectacle Blind Dn150 Pn16 FlangesSpectacle Blind Jis 5k Flanges
Spectacle Blind Din 2527 FlangesSpectacle Blind Jis B2220 Flanges
Spectacle Blind Din En 1092-1 FlangesSpectacle Blind Jis 10k Flanges
Spectacle Blind Din 2633 FlangesKf Spectacle Blind Flange
Spectacle Blind Din 2576 FlangesSpectacle Blind B16.47 Flanges
Spectacle Blind Asme B16.5 Class 300 FlangesSpectacle Blind Ansi B16.5 150 Flanges

Supplying Spectacle Blind Flanges to our worldwide clients:

JK Engineering Works is a Govt. approved certified Industrial Carbon Steel Spectacle Blind Flanges Exporter in India. All of our Stainless Steel Spectacle Blind Flanges are manufactured and tested to international standards, and specifications as per DIN, JIS, EN, ASTM etc.
Stock an extensive range of Stainless Steel Spectacle Blind Flanges, Carbon Steel Spectacle Blind Flanges Wholesaler in Mumbai, India & Give you best Industrial Spectacle Blind Flanges Prices in Mumbai.
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