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Low Pressure Valve Features:
  • SW Series valve design provides increased flow capabilities.
  • Tubing sizes from 1/4" to 1/2".
  • Rising stem/barstock body design.
  • Non-rotating stem prevents stem/seat galling.
  • Metal-to-metal seating achieves bubble-tight shut- off, longer stem/seat life in abrasive flow, greater durability for repeated on/off cycles and excellent corrosion resistance.
  • PTFE (Teflon) encapsulated packing provides dependable stem and body sealing.
  • Stem sleeve and packing gland materials have been selected to achieve extended thread cycle life and reduced handle torque.
  • Choice of Vee or Regulating stem tips.
  • Available in five body patterns.
Autoclave valves are complemented by a complete line of low pressure fittings, tubing, check valves and line filters. The SW series use Autoclave’s SpeedBite connection. This single-ferrule compression sleeve connection delivers fast, easy make-up and reliable bubble-tight performance in liquid or gas service.

SW Series valves are furnished complete with connection components, unless otherwise specified.

Panel mounting drill size: 0.22" all valves.
All dimensions for reference only and subject to change.
For prompt service 'Autoclave stocks select products' Consult factory.
All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.
Unit of Measure

Pressure Rating at Room Temperature

 N/A 15000 psi1034 bar

Outside Diameter Tube

 N/A 1/4 in6.35 mm

Stem Type

 N/A VEE

Valve Pattern

 N/A 2-Way Straight

Connection Type

 N/A SW250

Orifice Diameter

 N/A 0.187 in4.75 mm

A - Width

 N/A 2.00 in50.80 mm

B - Length

 N/A 1.00 in25.40 mm

C - Length

 N/A 0.38 in9.65 mm

D - Height

 N/A 1.62 in41.15 mm

D1 - Height

 N/A 1.19 in30.23 mm

E - Height

 N/A 2.00 in50.80 mm

F - Length

 N/A 3.00 in76.20 mm

G - Packing Gland Mounting Hole Drill Size

 N/A 0.75 in19.05 mm

G1 - Bracket Mounting Hole Size

 N/A 0.22 in5.59 mm

H - Height

 N/A 4.50 in114.30 mm

M - Length

 N/A 0.62 in15.75 mm

N - Height

 N/A 0.38 in9.65 mm

Block Thickness

 N/A 0.75 in19.05 mm

Tubing Engagement Depth

 N/A 0.69 in17.5 mm

Rated Cv

 N/A 0.65

Valve Options

 N/A Extreme Temperatures
Standard Autoclave valves with Teflon packing may be operated to 450°F (232°C). High temperature packing and/or extended stuffing box is available for service from 0°F (-17.8°C) to 650°F (343°C) by adding the following suffixes to catalog order number.†
TG standard valve with Teflon glass packing to 600°F (316°C).
GY standard valve with graphite braided yarn packing to 650°F (343°C).

† Autoclave Engineers does not recommend compression sleeve connections below 0°F (-17.8°C) or above 650°F (343°C). For additional valve options, contact your Sales Representative.

Valve Maintenance

 N/A Repair Kits:
add "R" to the front of valve catalog number for proper repair kit. (Example: RSW4071)

Valve Bodies:
Valve bodies are available. Order using the eight (8) digit part number found on the valve drawing or contact your Sales Representative for information.

Consult your Autoclave representative for pricing on repair kits and valve bodies. Refer to the Tools, Installation, Operation and Maintenance section for proper maintenance procedures.