Double Block & Bleed Ball Valve, Trunnion Type, 2-48 Inch
Key Specifications / Features
Model No.: JSC-231117-TMBV-04 Hits: 9
Explore excellence in valve engineering with our Double Block & Bleed Ball Valve Factory, specializing in Trunnion Mounted Type valves. Compliant with API 6D, ASME B16.34, EN 13709, and BS 5351 standards, our valves are available in sizes ranging from 2 to 48 inches, with Class ratings of 150-2500 LB, and DN/PN specifications from DN50 to DN1200 and PN16 to PN420. Elevate your industrial processes with top-tier performance and reliability.
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Detail Information
Trunnion Ball Valve Double Block & Bleed
Trunnion Ball Valve DBB Design，
Double Block and Bleed Trunnion Ball Valve
Double Block & Bleed Ball Valve
Our trunnion ball valves DBB designed is a valve with two sealing systems. When in the closed position, the two sealing systems can maintain a sealed state at the same time. The valve body in the middle cavity (between the two sealing systems) has an interface for discharging medium pressure.
SIZE RANGE AND PRESSURE CLASS
Size from 2 Inch to 48 Inch (DN50 - DN1200)
Pressure from 150 LBS to 2500 LBS (PN16 - PN420)
DESIGN STANDARDS
Design / Manufacture as per the standards: API 6D, ASME B16.34, DIN 3357, EN 13709, GB/T 12237, BS 5351, JIS B2071
Face to Face Length (Dimension) as per the standards: ASME B16.10, EN 558-1 Gr. 14 (DIN 3202-F4), DIN 3202-F5, DIN 3202-F7, BS 5163
Flange Dimension according to the standards: ASME B16.5, EN 1092-1, BS 4504, DIN 2501,
Flanged to ASME B16.5 (2 - 24 Inch) and ASME B16.47 Series A / B (26 Inch and above) Clamp / Hub ends on request.
Testing according to the standards: API 598, API 6D, EN 12266-1, EN 1074-1, ISO 5208, DIN2401, JIS B2003
TECHNICAL FEATURES
Cast steel or Forged Steel
Full Bore or Reduced Port
Two- OR Three-Piece body construction, Split body, side entry design.
Stem separated from the ball, no side load on the stem
Double block and bleed (Two SPE seats)
Fire Safe Design
Multiple Stem Sealing
Automatic release
Body vent and drain
Double piston effect
Self-relieving seat
emergency seat & stem sealant injection system
Anti-provision Design
Anti-Static Device
Back-seated blowout proof stem
CONSTRUCTION MATERIALS
General Cast Carbon Steel:
ASTM A216 WCB, WCC, WCA, GP240GH 1.0619 / GS-C25,
ASTM A105, C22.8 / P250GH (EN 1.0460/1.0432)
Low Temperature Carbon Steel (LTCS):
ASTM A352 LCB, LCC, LCA, GS-CK25
ASTM A350 LF2, TStE 355 / P355QH1 (EN 1.0571/1.0566)
Alloy Steel:
ASTM A352 LC1, LC2, LC2-1, LC3, LC4, LC9, ASTM A743 CA6NM
GS-CK16, GS-CK24, GS-10Ni6, GS-10ni14
ASTM A350 LF1, LF3, LF5, LF6, LF9, LF787
High Temperature Steel (Chrome Moly) / Alloy Steel:
ASTM A217 WC1, WC6, WC9, C5, C12, C12A
GS-22Mo4 / G20Mo5 (EN 1.5419), GS-17CrMo55 / G17CrMo5-5 (EN 1.7357)
ASTM A182 F1, 15Mo3 / 16Mo3 (EN 1.5415)
ASTM A182 F11, 13 CrMo4-4 / 13CrMo4-5 (EN 1.7335)
ASTM A182 F22, 10CrMo9-10 / 11CrMo9-10 (EN 1.7383/1.7380)
ASTM A182 F91, X10CrMoVNb9-1 (EN 1.4903)
Austenitic Stainless Steel / Alloy Steel:
UNS S30400, S30403, S30409, ASTM A351 CF8, CF3, CF10
G-X6CrNi189 / GX5CrNi19-10 (EN 1.4308)
UNS S31600, S31603, S31609, ASTM A351 CF8M, CF3M. CF10M
GX5CrNiMo19-11-2 / G-X6CrNiMo18.10 (EN 1.4408)
UNS S34700, S34709, ASTM A351 CF8C
G-X5CrNiNb189 / GX5CrNiNb19-11 (EN 1.4552)
AISI 316Ti, X6CrNiNo17122 / X6CrNiMoTi17-12-2 (EN 1.4571)
ALLOY 20 / UNS N08020, ASTM A351 CN7M
ASTM A182 F304 X5CrNi1810 / X5CrNi18-10 (EN 1.4301)
ASTM A182 F304L X2 CrNi 19 11 (EN 1.4306)
ASTM A182 F316 X5CrNiMo 17 12 2 / X5CrNiMo17-12-2 (EN 1.4401)
ASTM A182 F316L X2 CrNiMo 17 13 2 / X2CrNiMo17-12-2 (EN 1.4404）
ASTM A182 F316 Ti X6 CrNiMoTi 17 12 2 / X6CrNiMoTi17-12-2 (EN 1.4571)
ASTM A182 F321 X6 CrNiTi 18 10 / X6CrNiTi18-10 (EN 1.4541)
ASTM A182 F347 X6CrNiNb1810 / X6CrNiTi18-10C (EN 1.4550)
ASTM A182 F44 (6MO) (EN 1.4547)
ASTM A182 F20 * (ALLOY 20)
Ferritic-Austenitic / Duplex / Super Duplex Stainless Steel:
UNS S31803 / S32205 (Duplex 2205), ASTM A890/A995 GR.4A (UNS J92205) / A351 CD3MN
UNS S32750 (Super Duplex 2507), ASTM A890 / A995 GR.5A / A351 CE8MN (CD4MCu)
UNS S32760, ASTM A890 / A995 GR.6A (CD3MWCuN)
ASTM A182 F51, X2 CrNiMoN 22 5 3 / X2CrNiMoN22-5-3 (EN 1.4462)
ASTM A182 F52 (EN 1.4460)
ASTM A182 F53, X2CrNiMoCuN 25.6.3 (EN 1.4410)
ASTM A182 F55, X2CrNiMoCuWN 25.7.4 (EN 1.4501)
ASTM A182 F60 (EN 1.4462)
Other Materials:
Alloy 20 ASTM B462 / UNS N08020
Monel 400 / UNS N04400 ASTM B564-N04400 / A494 M35-1 NiCu30Fe (EN 2.4360)
Nickel Alloy 904L / UNS N08904 X1NiCrMoCu25.20.5 (EN 1.4539)
Inconel 625 / UNS N06625 / ASTM B564-N06625 / ASTM A494-CW6MC
NiCr22Mo9Nb (EN 2.4856)
Inconel 825 / UNS N08825 / ASTM B564-N08825 / ASTM A494 CU5MCuC (EN 2.4858)
NiCr21Mo (EN 2.4858)
Trunnion Ball Valve DBB Design，
Double Block and Bleed Trunnion Ball Valve
Double Block & Bleed Ball Valve
Our trunnion ball valves DBB designed is a valve with two sealing systems. When in the closed position, the two sealing systems can maintain a sealed state at the same time. The valve body in the middle cavity (between the two sealing systems) has an interface for discharging medium pressure.
SIZE RANGE AND PRESSURE CLASS
Size from 2 Inch to 48 Inch (DN50 - DN1200)
Pressure from 150 LBS to 2500 LBS (PN16 - PN420)
DESIGN STANDARDS
Design / Manufacture as per the standards: API 6D, ASME B16.34, DIN 3357, EN 13709, GB/T 12237, BS 5351, JIS B2071
Face to Face Length (Dimension) as per the standards: ASME B16.10, EN 558-1 Gr. 14 (DIN 3202-F4), DIN 3202-F5, DIN 3202-F7, BS 5163
Flange Dimension according to the standards: ASME B16.5, EN 1092-1, BS 4504, DIN 2501,
Flanged to ASME B16.5 (2 - 24 Inch) and ASME B16.47 Series A / B (26 Inch and above) Clamp / Hub ends on request.
Testing according to the standards: API 598, API 6D, EN 12266-1, EN 1074-1, ISO 5208, DIN2401, JIS B2003
TECHNICAL FEATURES
Cast steel or Forged Steel
Full Bore or Reduced Port
Two- OR Three-Piece body construction, Split body, side entry design.
Stem separated from the ball, no side load on the stem
Double block and bleed (Two SPE seats)
Fire Safe Design
Multiple Stem Sealing
Automatic release
Body vent and drain
Double piston effect
Self-relieving seat
emergency seat & stem sealant injection system
Anti-provision Design
Anti-Static Device
Back-seated blowout proof stem
CONSTRUCTION MATERIALS
General Cast Carbon Steel:
ASTM A216 WCB, WCC, WCA, GP240GH 1.0619 / GS-C25,
ASTM A105, C22.8 / P250GH (EN 1.0460/1.0432)
Low Temperature Carbon Steel (LTCS):
ASTM A352 LCB, LCC, LCA, GS-CK25
ASTM A350 LF2, TStE 355 / P355QH1 (EN 1.0571/1.0566)
Alloy Steel:
ASTM A352 LC1, LC2, LC2-1, LC3, LC4, LC9, ASTM A743 CA6NM
GS-CK16, GS-CK24, GS-10Ni6, GS-10ni14
ASTM A350 LF1, LF3, LF5, LF6, LF9, LF787
High Temperature Steel (Chrome Moly) / Alloy Steel:
ASTM A217 WC1, WC6, WC9, C5, C12, C12A
GS-22Mo4 / G20Mo5 (EN 1.5419), GS-17CrMo55 / G17CrMo5-5 (EN 1.7357)
ASTM A182 F1, 15Mo3 / 16Mo3 (EN 1.5415)
ASTM A182 F11, 13 CrMo4-4 / 13CrMo4-5 (EN 1.7335)
ASTM A182 F22, 10CrMo9-10 / 11CrMo9-10 (EN 1.7383/1.7380)
ASTM A182 F91, X10CrMoVNb9-1 (EN 1.4903)
Austenitic Stainless Steel / Alloy Steel:
UNS S30400, S30403, S30409, ASTM A351 CF8, CF3, CF10
G-X6CrNi189 / GX5CrNi19-10 (EN 1.4308)
UNS S31600, S31603, S31609, ASTM A351 CF8M, CF3M. CF10M
GX5CrNiMo19-11-2 / G-X6CrNiMo18.10 (EN 1.4408)
UNS S34700, S34709, ASTM A351 CF8C
G-X5CrNiNb189 / GX5CrNiNb19-11 (EN 1.4552)
AISI 316Ti, X6CrNiNo17122 / X6CrNiMoTi17-12-2 (EN 1.4571)
ALLOY 20 / UNS N08020, ASTM A351 CN7M
ASTM A182 F304 X5CrNi1810 / X5CrNi18-10 (EN 1.4301)
ASTM A182 F304L X2 CrNi 19 11 (EN 1.4306)
ASTM A182 F316 X5CrNiMo 17 12 2 / X5CrNiMo17-12-2 (EN 1.4401)
ASTM A182 F316L X2 CrNiMo 17 13 2 / X2CrNiMo17-12-2 (EN 1.4404）
ASTM A182 F316 Ti X6 CrNiMoTi 17 12 2 / X6CrNiMoTi17-12-2 (EN 1.4571)
ASTM A182 F321 X6 CrNiTi 18 10 / X6CrNiTi18-10 (EN 1.4541)
ASTM A182 F347 X6CrNiNb1810 / X6CrNiTi18-10C (EN 1.4550)
ASTM A182 F44 (6MO) (EN 1.4547)
ASTM A182 F20 * (ALLOY 20)
Ferritic-Austenitic / Duplex / Super Duplex Stainless Steel:
UNS S31803 / S32205 (Duplex 2205), ASTM A890/A995 GR.4A (UNS J92205) / A351 CD3MN
UNS S32750 (Super Duplex 2507), ASTM A890 / A995 GR.5A / A351 CE8MN (CD4MCu)
UNS S32760, ASTM A890 / A995 GR.6A (CD3MWCuN)
ASTM A182 F51, X2 CrNiMoN 22 5 3 / X2CrNiMoN22-5-3 (EN 1.4462)
ASTM A182 F52 (EN 1.4460)
ASTM A182 F53, X2CrNiMoCuN 25.6.3 (EN 1.4410)
ASTM A182 F55, X2CrNiMoCuWN 25.7.4 (EN 1.4501)
ASTM A182 F60 (EN 1.4462)
Other Materials:
Alloy 20 ASTM B462 / UNS N08020
Monel 400 / UNS N04400 ASTM B564-N04400 / A494 M35-1 NiCu30Fe (EN 2.4360)
Nickel Alloy 904L / UNS N08904 X1NiCrMoCu25.20.5 (EN 1.4539)
Inconel 625 / UNS N06625 / ASTM B564-N06625 / ASTM A494-CW6MC
NiCr22Mo9Nb (EN 2.4856)
Inconel 825 / UNS N08825 / ASTM B564-N08825 / ASTM A494 CU5MCuC (EN 2.4858)
NiCr21Mo (EN 2.4858)
