Short Description
Model No.: GVBW 900LB-8 Clicks: 2613
Butt welded gate valve, BW, OS&Y, PSB, by pass, rising stem, gear operated.
Model: 8", 900 LB.
Body/Bonnet: ASTM A216 WCC.
Wedge: ASTM A216 WCC+316SS.
Seat: ASTM A105+316SS.
Stem: 316SS .
Face to face dimension: 737 mm.
Valve standard: API 600.
Flange standard: ASME B16.5.
Sealing pressure test: 165 BAR.
Shell pressure test: 225 BAR.
Standards and Range:
- Design basis: ASME B16.34, GB 12234, API 600.
- Flanged ends: ASME B16.5, GB 9113.
- Butt-welding ends: ASME B16.25.
- Face-to-face dimension: ASME B16.10, GB 12221.
- Inspection and test: API 598, API 6D, JB/T 9092.
- Pressure rating: Class 150 - 2500, PN16 - PN420.
- Product range: 2" - 48", DN50 - DN1200.
- Materials of main parts: WCB, LCB, WC6, WC9, C5, C12.
Design Features:
- Certified to API 600.
- USA VOC middle shaft micro leakage certification.
- Design of outside screw and yoke (OS&Y).
- Bolted bonnet.
- Pressure self-sealing type bonnet.
- Design of wedge type flexible gate and full guide rail.
- Operation methods: handwheel, bevel gear or electric actuated.
- Overlay welding by hard alloy can be performed on the seat surface according to specifications in API 600.
- Replaceable valve seat and back seat.
- Integral seat and back seat are adopted in stainless steel valves.
