Valves and Chokes | RSDF Type Straight Gate Valves

RSDF Type Straight Gate Valves
Destination:

This type of valves is used in the oilfield industry for drilling and production operations for nominal pressures of 140, 210, 350 bar (2000, 3000, 5000 PSI) and temperatures up to 60°C.
Working medium: water, drilling mud.

Contents:

1. Valve body 410-620 / SR ISO 9477
2. Body cap 410-620/ SR ISO 9477
3. Gasket rubber
4. Stem IC45 / SR EN 10083
5. Wear plate "
6. Flanged body sub "
7. Stud bolt 42CrMo4 / SR EN 10083
8. Nut IC60 / SR EN 10083
9. Pressure bush S235JRG1/SR EN 10027
10. Stem packing rubber
11. Stem nut 20MoNi35X / STAS 791
12. Nut bearing "
13. Plug IC45 / SR EN 10083
14. Lubricator subassy
15. Handwheel welded subassy
16. Protector "
17. Ball 11,113 RUL 2 / STAS 1456/1
18. Lubricator subassy
19."O"-ring rubber

Technical and constructive characteristics

PN
(PSI)
DN
(in)
L
(mm)
H
(mm)
D
(mm)
d1 n x d Net weight
2000 2 1/16 295 470 450 127 8 x d18 43,00
3 1/8 360 600 520 168,3 8 x d22 96,00
4 1/16 435 750 545 215,9 8 x d26 134,20
3000 2 1/16 370 495 450 165,1 8 x d26 62,50
3 1/8 435 615 520 190,5 8 x d26 111,00
4 1/16 510 760 545 235 8 x d33 140
5000 2 1/16 370 495 450 165,1 8 x d26 62,50
3 1/8 475 625 520 203 8 x d33 128
4 1/16 550 770 545 241,3 8 x d36 169,00

Constructive characteristics of the main components:

The products provide easy operation, tight shut offs, long periods before overhaul and quick replacement of spare parts without taking them off the circuits.
Body shape - round, casted or forged
Closing element - straight gate
Stem - full rising, one piece forged gate and stem. Shows at a glance if valve is open, partial open or closed.
Body cap and Valve body are fasteneted by threaded stud bolts.
The valve is connected at the pipe by flanged body subs, connection sizes and lengths according to API 6A.

Working and testing regime

Nominal pressure
PSI
Working pressure
PSI
Testing pressure
PSI
Strength
Tightness
2000 2000 1,5 x PN (3000 PSI) 1 x PN (2000 PSI)
3000 3000 1,5 x PN (4500 PSI) 1 x PN (3000 PSI)
5000 5000 1,5 x PN (7500 PSI) 1 x PN (5000 PSI)


Body-gate sealing: metal on rubber
Stem packing: rubber sheet

Main materials:

  • Body cap and valve body: cast or forged high quality carbon steel
  • Stem: forged high quality carbon steel
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