Short Description
Model No.: GVIS 900LB-8 Clicks: 1415
BS 1873 cast steel integral seat globe valves, butt welded, outside screw and yoke, pressure self bonnet, integral seat, rising stem, gear operator.
Model: 8 Inch, 900 lB.
Body/Bonnet: ASTM A216 WCC.
Plug: ASTM A105 + 13CR.
Seat: ASTM A216 WCC + 13CR.
Stem: 13CR.
Face to face dimension: 737 mm.
Valve standard: BS 1873.
BW standard: ASME B16.25.
Sealing pressure test: 169 BAR.
Shell pressure test: 230 BAR.
Standards and range:
- Design basis: ASME B16.34, GB 12235.
- 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, JB/T 9092.
- Pressure rating: Class 150 - 2500, PN16 - PN420
- Product range: 2" - 24", DN50 - DN600
- Materials of main parts: WCB, LCB, WC6, WC9, C5, CF8M, Alloy 20.
- Trim materials: as per API 600.
Design Features
- USA VOC middle shaft micro leakage certification.
- Conical surface of valve disc and full guide rail device.
- Design of outside screw and yoke.
- Bolted bonnet.
- Pressure self-sealing type bonnet.
- Lift type stem and handwheel.
- Operation methods: handwheel, bevel gear or electric operation.
- 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.
