Valves and Chokes | Expanding Parallel Gate Valves With Rising Stem

Expanding Parallel Gate Valves With Rising Stem
Destination:

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 700 bar (10000 PSI).
Working medium: water, oil products, gases with a light corrosive action.

Operating and constructive characteristics :

Designed in accordance with the API specification 6A requirements.
The products are designed to perform according to the requirements of PR1 Performance Requirement Level and, on request, PSL1, PSL2 and PSL3 Product Specification Levels.
About Material class and Temperature classification, see Appendix A.
Valve type: full-bore
Body shape - round, forged
Closing element - parallel gate
Stem - rising, provided with trapezoidal thread, being in no contact with the circulation fluid. The compensating rod anihilates the volume variation inner cavity during gate valve handling.
The bonnet is assembled to the body by thread.
The valve is connected to the pipe by flanges provided with 6Bx type sealing metallic rings.

Technical and constructive characteristics

PN
( bar, PSI)
DN
(in)
L
(mm)
Bx H
(mm)
D
(mm)
d
(mm)
d2
(mm)
n x d1 Weight
kg
700
(10000)
2 1/16 521 152 494 250 200 158,8 8 x d22 175
2 9/16 565 153 584 300 232 184,2 8 x d26 225
3 1/16 619 154 647 430 270 215,9 8 x d30 280
4 1/16 670 155 776 630 315 259,8 8 x d32 565

Working and testing regime

Nominal pressure
PSI
Working pressure
PSI
Testing pressure
PSI
120 oC Strength Tightness
10 000 10 000 15 000 10 000

Body-bonnet sealing: metal-to-metal
Body-gate sealing: metal+ PTFE/metal
Stem-bonnet sealing: rubber sheet or PTFE.

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