Plug

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WALWORTH Cast Steel Plug Valves are used primarily, but not limited to, the gas & petroleum pipeline, pulp and paper, refineries, chemical, buildings, water and sewerage industries.
 Steel Plug valves are used to prevent internal leakage. This product line is offered 
in Pressure Classes 150, 300, 600, 900, 1500 & 2500 # and sizes from 2” up to 36” nominal diameter.

  • Bottom Entry Compensator Plug valves in three patterns: Short, Regular and Venturi from 1/2” (8 mm) to 36” (900 mm) and pressure class in accordance ASME B16.34,
150 (PN 20), 300 (PN 50), 600 (PN 110), 900 (PN 150), 1500 (PN 260) & 2500 (PN 420).
  • Top Entry Steel Lubricated Plug Valve API Classes 2000#, 3000#, & 5000# and sizes from 2 1/2” to 4 1/16” nominal diameter.
  • Top Entry Steel Plug Valves in three patterns: short, regular and venturi and sizes from 2” (8 mm) to 36” (900 mm) and pressure classes in accordance ASME B16.34, 150#, 300# & 600#.
  • Gas service Steel Plug Valve in regular pattern from 3/4” to 2” and 150# (200 CWP)

Materials:

  1. Carbon Steel like WCA, WCB, WCC, etc.
  2. Low Carbon Steel like LCB, LCC, etc.
  3. Low Alloy Steel like WC1, WC5, WC6, WC9, etc.
  4. Low Carbon Low Alloy Steel like LC2, LC3, etc.
  5. Medium Alloy Steel like C5, C12, C12A, etc.
  6. Stainless Steel like CF8, CF8M, CF8C, CF10, CG8M, etc.
  7. Low Carbon Stainless Steel like CF3, CF3M, CG3M, etc.
  8. Super Stainless Steel like CN7M (Alloy 20), CN3M (Alloy 20 modified) CT15C, etc.
  9. Duplex Stainless Steel like CE8MN, CD6MN, CD3MN, etc. 
  10. High Nickel Alloy like Monel M30C, Monel M35-1, Monel CZ100, Inconel 
CY40 (Inconel 600), CW2M (Hastelloy C4), N12MV (Hastelloy B), CW12MW
(Former Hastelloy C-276), CW6M (New Hastelloy C-276), CU5MCuC (Incoloy 825), N7M Hastelloy B2), CW6MC (Inconel 625), etc. 
  11. Super Duplex Stainless Steel like CE3MN, CD3MNWCuN, etc.

DESIGN FEATURES

  • Compensator Steel Plug Valves (bottom entry) & Lubricated Plug Valves (top entry) comply with the Specifications of API 6-D & API-599.
  • Mechanical and pressure Balance fixture to avoid jamming of the plug.
  • Flanged RF or RTJ ends, Threaded ends or Butt Weld ends.
  • Meets Fire Test in accordance API-6FA.
  • Flanges in accordance ANSI/ASME B16.5.
  • Hand-wheel, Impact Hand-wheel, Chain-wheel, Gear operation, Electric, Pneumatic or Hydraulic Actuation as per Customer requirements.
  • Bi-directional.
  • Test in accordance API-6D.
Product Range
BOTTOM ENTRY COMPENSATOR STEEL PLUG VALVE SIZE PRESSURE CLASS AS PER ASME B16.34 ENDS

Short Pattern API-6D

2" to 12"

150, 300, 600 #

RF, RTJ or BW

Regular Pattern API-6D

1/2" to 12"

600, 900, 1500 & 2500 #

RF, RTJ or BW

Venturi Pattern API-6D

6" to 36"

150, 300, 600, 900, 1500 #

RF, RTJ or BW

TOP ENTRY COMPENSATOR STEEL PLUG VALVE SIZE PRESSURE CLASS AS PER API ENDS

Regular Pattern for offshore design

2 1/16" to 4 1/16"

2000, 3000 & 5000

RF, RTJ or BW

TOP ENTRY STEEL PLUG VALVE SIZE PRESSURE CLASS AS PER ASME B16.34 ENDS

Short Pattern API-6D

1/2" to 8"

150, 300 #

RF, RTJ or BW

Regular Pattern API-6D

1/2" to 2"

600 #

RF, RTJ or BW

Venturi Pattern API-6D

14" to 36"

150 #

RF, RTJ or BW

GAS SERVICE STEEL PLUG VALVE SIZE PRESSURE CLASS AS PER ASME B16.34 ENDS

Short Pattern API-6D

3/4" to 8"

150 # ANSI, 200 CWP.

SW or BW

WALWORTH Cast Iron Lubricated Plug Valves are designed to meet the demand for an inexpensive product that incorporates the principal features of the Lubricated Plug Valves.

The Top Entry design is offered in three different patterns: Short, Regular and Venturi from 1/2" (12.7 mm) to 18" (450 mm)
- Iron Body and Plug Classes 175, 200 & 500 CWP.

Design Features
  • Design in accordance with MSS SP-78.
  • Mechanical Balance spring to avoid jamming of the plug.
  • Lever or gear operated.
  • Bi-directional.
  • Locking devices are available as an option
  • Tamper proof bolting is available as an option
  • Operating extensions and elevations.
  • Additional Walseal sealants are available for different applications.
  • Sealant Grooves. this system permits sealant injection while the valve is under full line pressure.

 

Pattern SIZE PRESSURE CLASS AS PER API ENDS
Short

1/2” to 12”

200 CWP

Threaded or RF

Regular

1/2” to 12”

200 CWP

Threaded or RF

Venturi

14” to 18”

175 CWP

Threaded or RF

Venturi

 6” to 8”  500 CWP  Threaded or RF