The Alco Valves D1V4NS-4DR-V91A-WE is a single-piece construction double block and bleed valve featuring a ball, needle, ball valve configuration with a floating ball design. It is equipped with a 10mm (3/8") bore size and incorporates an anti-static device along with a firesafe design. The unit features an ASTM A182 F316 body material and ASTM A479 316 trim materials, with PEEK, Graphite, and Endura V91A utilized for seats, seals, and O-rings. Operation is handled via stainless steel levers and a T-bar handle. The valve operates at a maximum temperature of 200ºC and a minimum temperature of -46ºC, with a maximum pressure of Class 900 and a minimum pressure of 6 barg (87psi).
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| Manufacturer | Alco Valves |
|---|---|
| Country | |
| Part number | D1V4NS-4DR-V91A-WE |
| Inner Code | 3828635 |
| Product type | Double Block & Bleed Valve |
|---|---|
| Valve Configuration | Ball, Needle, Ball |
| Construction | Single Piece Construction, Floating Ball |
| Inlet | 1/2" NB ASME Class 900 RF |
| Outlet | ASME B1.20.1, 1/2" NPT Female |
| Vent/Drain | ASME B1.20.1, 1/2" NPT Female - (Plugs Supplied Loose) |
| Bore Size | 10mm (3/8") |
| Body Material | ASTM A182 F316(MFR PMA) |
| Trim Materials | ASTM A479 316(MFR PMA) |
| Seats/Seals/O-Rings | PEEK/Graphite/Endura V91A |
| Maximum Pressure | Class 900 |
| Minimum Pressure | 6 barg (87psi) |
| Maximum Temperature | 200ºC |
| Minimum Temperature | -46ºC |
| Operator/Handles | St/St Levers & T-bar Handle |