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Hard Seat Block & Bleed Valve
Brand: PGI International
- Design: Hard Seat Block and Bleed Valve
- Inlet Connection: 1/2" NPT Male, 1/2" NPT Female, 3/4" NPT Male, or (2) 1/2" NPT Female
- Outlet Connection: 1/2" NPT Female, 1/2" NPT Male
- Standard Features:
- Carbide Ball Seat
- Teflon Pressure-Core Stem Seal for Low Temperatures
- Low-Torque Grafoil Stem Seal
- Max Pressure 10000 psi @ +200°F (+93°C) / 1000 psi @ +450°F (+232°C)
- Stainless Steel Body and Bonnet
- 316 Stainless Steel meets the requirements of NACE MR0175/ISO 15156-36
- Benefits:
- Non-rotating ball eliminates seat galling and ball creasing
- Leak free, bubble tight seating
- 100% Pressure Tested
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Models matching criteria: 1
Specifications
Brand
Enclosure, Body Material
- ASTM A479-316 Stainless Steel
Handle Assembly Material
- ASTM A581 18-8 300 Stainless Steel
Maximum Cv Ratings
- Cv 0.53 on 0.187" Orifice
NACE & NIST
- NACE MR-0175, ISO 15156-36
NPT Inlet
- 1/2" NPT Female
- 1/2" NPT Male
- 3/4" NPT Male
NPT Outlet
- 1/2" NPT Female
- 1/2" NPT Male
Orifice Size
- 0.187"
Packing Material
- Low-Torque Grafoil®
- Teflon Pressure-Core® Stem Seal for Low Temperatures -45.5° C (-50° F)
Pressure Rating
- psi: 10,000 at 93° C (200° F)
- psi: 8,000 at 232° C (450° F)
Process Temperature
- -45° to 232° C (-50° to 450° F)
Seal Retainer
- ASTM A479-316 Stainless Steel
Seat / Seal Material
- 316 Stainless Steel
- Carbide
- Ceramic