Design standard: API 602.
Small flow resistance for fluid
Only a small force is required for opening/closing.
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SW end forged steel gate valve:
● Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure/temperature service.
● Bellows monitoring port (optional): A plug can be connected with the space above the bellows to monitor performance.
● Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
● Superior seating faces: Seats alloy hard faced and wedge is solid alloy.
Design Features
Design standard: API 602.
Small flow resistance for fluid
Only a small force is required for opening/closing.
No limitation on the flowing direction of the medium
During opening and closing process, the friction between the disc wedge and the seat is small, so the sealing is reliable ensuring tightness and long service life.
The valve is designed in a back-seat structure.
The valve stem sealing is realized by the collaboration of flexible and woven graphite. ensuring a more reliable tightness.
Optional pressure seal bonnet type.
Optional solid-wedge type.
Optional non-rising stem structures.
Optional jacket structure.
Product Range
Flanged End Gate Valve 150Lb~600Lb Standard Material Specifications
NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | ||
Type A105 | Type F22 | Type F304(L) | Type F316(L) | |||
1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | |
2 | Seat Ring | A276 420 | A276 304 | A276 304(L) | A276 316(L) | |
3 | Wedge | A276 410 & 430 | A182 F304 | A182 F304(L) | A182 F316(L) | |
4 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) | |
5 | Gasket | Corrugated SS + graphite | SS + PTFE | |||
6 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | |
7 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M | |
8 | Pin | A276 420 | A276 304 | |||
9 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | ||
10 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M | |
11 | Gland Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) | |
12 | Gland Nut | A193 2H | A194 4 | A194 8 | A194 8M | |
13 | Yoke Nut | A276 410 | ||||
14 | H.W. Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M | |
15 | Nameplate | SS | ||||
16 | Hand wheel | A197 | ||||
17 | Bearing Gasket | A473 431 | ||||
18 | Stem Packing | Flexible Graphite | PTFE | |||
Suitable Medium | W.O.G. etc | W.O.G. etc | HNO3CH3OOH etc | |||
Suitable Temperature | -29 425 | -29 550 | -29 180 | |||
Mode of operation: Hand wheel, Electric Actuator, Pneumatic Actuator, etc.
Note: Other materials are available upon request.
| Brand | 3D |
| Valve Type | SW End Forged Steel Gate Valve |
| Valve Material | A105, stainless steel, special alloy, etc |
| Valve Test | 100% quantity tested before delivery |
| Valve Guarantee | 18 months from the date of dispatch ex works, or 12 months from date of commodity installation. |
| Valve Painting | Customer request |
| Valve Package | Wooden case |
| MOQ | No requirement |
| Valve Certificate | API 6D/CE/ISO9001/ISO14001 |
| Delivery Detail | Shipped in 4 or 6 weeks after payment |
| Port | SHANGHAI |
| Payment Terms | L/C,D/A,D/P,T/T |
| Certificate Offered | Packing List，Commercial Invoice，Test Reports and Material Certificates，Certificate of quality and quantity, Seller’s Certificate of Guarantee |