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Hard Seat Block & Bleed Valve

Brand: Parker PGI
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
Features
  • Carbide Ball Seat
  • Teflon Pressure-Core Stem Seal for Low Temperatures
  • Low-Torque Grafoil Stem Seal
  • Maximum Pressure
    • 10,000 psi @ +200° F (+93° C) / 1,000 psi @ +450° F (+232° C)
  • Stainless Steel Body and Bonnet
    • 316 Stainless Steel meets the requirements of NACE MR0175/ISO 15156-36
  • Non-rotating ball eliminates seat galling and ball creasing
  • Leak-free, bubble-tight seating
  • 100% Pressure Tested
show more
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
Features
  • Carbide Ball Seat
  • Teflon Pressure-Core Stem Seal for Low Temperatures
  • Low-Torque Grafoil Stem Seal
  • Maximum Pressure
    • 10,000 psi @ +200° F (+93° C) / 1,000 psi @ +450° F (+232° C)
  • Stainless Steel Body and Bonnet
    • 316 Stainless Steel meets the requirements of NACE MR0175/ISO 15156-36
  • Non-rotating ball eliminates seat galling and ball creasing
  • Leak-free, bubble-tight seating
  • 100% Pressure Tested
6 models matching criteria
PGI Block-Valve, 1/2" MNPT x 1/2 FNPT, SST, NACE show more
  • V-570: Body Style - Hard Seat (.187" Orifice) 1/2" MNPT x 1/2" FNPT
  • S: Stainless Steel Body and Bonnet
  • C: Seat Material - Carbide Ball
  • J: Stem Packing - PTFE Packed Style (Low Temp)
  • Pressure & Temperature:
    • 10,000 PSI @ 200°F, 8,000 PSI @ 450°F

25+ In Stock
$297.56USD
PGI Block & Bleed, 1/2" FNPT x 1/2" MNPT, SST, NACE show more
  • V-614: Body Style - Hard Seat (.187" Orifice) 1/2" FNPT (Inlet) x 1/2" MNPT (Outlet)
  • S: Stainless Steel Body and Bonnet
  • C: Seat Material - Carbide Ball
  • J: Stem Packing - PTFE Packed Style (Low Temp)
  • Pressure & Temperature:
    • 10,000 PSI @ 93°C to -46°C Min.
    • 8,000 PSI @ 232°C Max.

11 In Stock
$306.31USD
PGI Block & Bleed, 3/4" MNPT x 1/2" MNPT, SST, NACE show more
  • V-616: Body Style - Hard Seat (.187" Orifice) 3/4" MNPT Inlet x 1/2" MNPT Outlet
    • 1/4" Vent
  • S: Stainless Steel Body and Bonnet
  • C: Seat Material - Carbide Ball
  • J: Stem Packing - PTFE Packed Style (Low Temp)
  • Pressure & Temperature:
    • 10,000 PSI Max. @ 200°F to -50°C Min.
    • 8,000 PSI Max. @ 450°C Max.
1 In Stock
$612.62USD
PGI Hard Seat Block & Bleed Valve, 3/4 MNPT x 1/2" FNPT, SST, NACE show more
  • V-572: 3/4" MNPT x 1/2" FNPT, Hard Seat
  • S: Stainless Steel Body and Bonnet
  • C: Seat Material - Carbide Ball
  • J: Stem Packing - PTFE Packed Style (Low Temp)
  • Meets the requirements of NACE MR0175/ISO 15156-3 as shown on Catalog Sheet
1 - 2 weeks
$359.55USD
PGI Block & Bleed, 1/2" MNPT x 1/2" MNPT, SST, NACE show more
  • V-612: Body Style - Hard Seat (.187" Orifice) 1/2" MNPT x 1/2" MNPT
  • S: Stainless Steel Body and Bonnet
  • C: Seat Material - Carbide Ball
  • J: Stem Packing - Low Temp Pressure Core
  • Pressure & Temperature:
    • 10,000 PSI @ 200°F, 8,000 PSI @ 450°F

1 - 2 weeks
Non-Cancellable / Non-Refundable
$460.20USD
PGI Block & Bleed, 1/2" FNPT x 1/2" FNPT, SST, NACE show more
  • V-626: 1/2" FNPT x 1/2" FNPT, 1/4" NPT Vent, .187" Orifice
  • S: Stainless Steel Body and Bonnet
  • C: Seat Material - Carbide Ball
  • J: Stem Packing - PTFE Packed Style (Low Temp)
1 - 2 weeks
Non-Cancellable / Non-Refundable
$471.14USD

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