RED-WHITE VALVE CORP.  |  SKU: 30077833  |  MPN: 318A 1/2

Bronze Threaded Gate Valve | 318A Series | Rising Stem | 1000 PSI WOG

$81.50
  • High-Pressure Rating — 300 PSI WSP / 1000 PSI WOG for heavy-duty steam, oil, and water service.
  • Union Bonnet Design — Allows easy servicing and inspection without pipe removal.
  • All-Bronze Construction — Body, bonnet, and disc made from corrosion-resistant B62-C83600 bronze.
  • Rising Stem with Handwheel — Provides clear valve position indication and smooth operation.
  • MSS-SP-80 Compliant — Meets strict industry standards for bronze gate valves.

Bronze Threaded Gate Valve | 318A Series | FNPT × FNPT | 300# WSP / 1000# WOG

Red-White Valve’s 318A Bronze Threaded End Gate Valve is built for the most demanding high-pressure applications in water, oil, gas, and steam systems. This precision-engineered valve features a rising stem with a union bonnet design, allowing clear valve position visibility and simplified servicing. Constructed entirely from cast bronze (B62-C83600), the 318A provides unmatched durability and corrosion resistance in harsh operating conditions.

Key Features & Benefits

  • High-Pressure Rating — Rated for 300 PSI Steam (WSP) and 1000 PSI Water, Oil, or Gas (WOG) service.
  • Union Bonnet Design — Enables easy access for inspection and maintenance without pipeline disassembly.
  • All-Bronze Construction — Body, bonnet, and disc are made from B62-C83600 bronze for long-lasting corrosion resistance.
  • Solid Disc & Seat Rings — Provide tight shutoff and exceptional wear resistance under pressure cycles.
  • Rising Stem with Aluminum Handwheel — Allows smooth operation and clear visual indication of valve position.
  • MSS-SP-80 Compliant — Manufactured to industry standards for dimensional accuracy and interchangeability.

Technical Specifications

Parameter Details
Pressure Rating 300# WSP / 1000# WOG
Body & Bonnet Cast Bronze (B62-C83600)
Disc Cast Bronze (B62-C83600)
Seat Rings Bronze (B62)
Stem Brass (DR Alloy)
Bonnet Type Union Bonnet
Stem Type Rising
Connection Type FNPT × FNPT (ASME B1.20.1-NPT)
Compliance MSS-SP-80

Dimensions / Weights (inches-lbs.)

Size D d (NPT) H L S Cv Wt. [lb]
½″ 2.76 0.50 5.91 2.00 1.14 12 1.3
¾″ 3.15 0.75 6.81 2.21 1.38 26 1.8
1″ 3.15 1.00 7.64 2.60 1.73 42 2.5
1¼″ 3.94 1.25 8.98 2.91 2.13 72 4.2
1½″ 4.33 1.50 10.75 3.31 2.36 120 6.0
2″ 4.92 2.00 12.32 3.86 2.91 210 9.5

Material Construction

# Part Material Specification
1 Body Cast Bronze B62-C83600
2 Bonnet Cast Bronze B62-C83600
3 Disc Cast Bronze B62-C83600
4 Seat Rings Bronze B62
5 Stem Brass DR Alloy
6 Union Nut Bronze B61-C92200
7 Packing Nut Brass B283-C37700
8 Gland Brass B124-C37700
9 Gland Packing Plastic Graphite T#2996NA
10 Handwheel Aluminum Alloy B86-AG40A
11 Wheel Nut Steel A36
12 Name Plate Aluminum B209

Warning (California Prop 65): This product can expose you to chemicals including lead, known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.