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Chicago Valves series 35 Stainless Steel Ball Valve, 1000 CWP NPT RPTFE 1/2"-4"
3566R4TE1
The Chicago Valves Series 35 is an industrial-grade max 1000 CWP ball valve featuring a 3-piece full port design, constructed with a durable 316 stainless steel body and carbon steel end caps. It features an integrated ISO 5211 direct-mounting pad for seamless actuator coupling.
Built and tested to ASME B16.34 standards, it is engineered for high-performance fluid regulation. Features a high-cycle live-loaded PTFE stem packing system, anti-static design, and highly reliable RTFE seat. It is rated for steam service up to 150 PSI WSP, vacuum service to 29” Hg, and operating temperatures from -50°F to 450°F (-46°C to 232°C), manufactured with threaded NPT ends to ASME B16.11. Also available with socket weld (SW) ends.
Available in sizes from 1/2" to 4".
Please Note: This valve is supplied with a bare stem by default for direct actuation; a lever handle is optionally available.
Valve Automation: This valve can also be purchased pre-paired and tested with pneumatic actuators as a complete automated package, saving you critical field assembly and testing time.
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The Chicago Valves Series 35 is an industrial-grade 3-piece full port ball valve. Conforming to ASME B16.34, this valve features a unique hybrid material construction combining a cast 316 stainless steel center body with carbon steel end caps, designed for high-performance commercial and industrial throttling, isolation, and modulating automation services. The integrated direct-mounting pad (ISO 5211) allows for the direct installation of pneumatic or electric actuators without the need for brackets or couplings, minimizing hysteresis and saving critical installation space.
The Series 35 is available from 1/2" to 4" with threaded NPT ends.
General Valve Specification
- Valve Type: 3-Piece Ball Valve (Stainless Steel Body / Carbon Steel Ends)
- Port Design: Full Port
- Pressure Class: 1000 CWP (1/4"-2") / 800 CWP (2-1/2"-4")
- Steam Rating: 150 PSI WSP (Saturated Steam)
- Temperature Range: -50°F to 450°F / -46°C to 232°C
- Vacuum Rating: 29" Hg (Direct Mounted)
- Body Material: 316 Stainless Steel (ASTM A351 CF8M)
- End Piece Material: Cast Carbon Steel (ASTM A216 WCB)
- Seat Material: RTFE (Reinforced PTFE)
- Stem Material: 316 Stainless Steel
- Body Seal Material: PTFE
- Thrust Washer Material: Carbon Filled PTFE
- Stem Packing Material: PTFE
- Gland Flange Material: 304 Stainless Steel
- Gland Bolt Material: 300 Series Stainless Steel
- Travel Stopper Material: 304 Stainless Steel
- Handle Material: 304 Stainless Steel (Optional)
- Operation: Bare Stem (Lever Handle Optional)
- Body Style: 3-Piece, Direct Mount
- Stem Design: High-Cycle Live-Loaded
- Flow Function: Isolation / Flow Control
- End Connections: Threaded NPT (ASME B16.11)
- Optional End Connections: Socket Weld (SW) (ASME B16.11) or Butt Weld (BW) (ASME B16.25)
- Country of Origin: China
Standards and Compliance
- Design/Testing: ASME B16.34
- Testing: API 598 (Shell & Leak testing)
- Thread Standard: ASME B16.11 (NPT to ASME B1.20.1)
- Butt Weld Standard: ASME B16.25
- Mounting Pad Standard: ISO 5211
- Safety/Design: Anti-Static Design
Actuation and Automation Options
For automated flow control systems, this valve can be purchased pre-assembled and tested with pneumatic actuators as a complete package, saving you valuable field assembly, pressure testing, and configuration time. Contact us for custom automated valve packages.
Summary Specifications of Chicago Valves Series 35 NPT
Size Cv ISO 5211 Break Torque
(in-lbs)Weight (lbs) Part Number
BarePart Number
Handle1/2" 10 F03-F04 40 1.54 3566R4TE1005 3566R4TE2005 3/4" 25 F03-F04 80 1.79 3566R4TE1006 3566R4TE2006 1" 35 F03-F04 110 1.24 3566R4TE1010 3566R4TE2010 1 1/4" 46 F03-F04 160 2.73 3566R4TE1012 3566R4TE2012 1 1/2" 80 F04-F05 240 6.37 3566R4TE1015 3566R4TE2015 2" 110 F05-F07 300 8.49 3566R4TE1020 3566R4TE2020 2 1/2" 310 F05-F07 500 17.97 3566R4TE1025 3566R4TE2025 3" 360 F05-F07 720 28.33 3566R4TE1030 3566R4TE2030 4" 820 F05-F07 800 46.96 3566R4TE1040 3566R4TE2040 - 3566R4TE1
Data sheet
- Valve Type
- Ball Valve
- Valve Size
- .5, .75, 1", 1.5, 1.25, 2", 2.5, 3", 4"
- Valve Temperature Range
- -50° to 450°F (°C -46 to 232)
- Valve Body Material
- Stainless Steel 316L
- Valve Body Style
- Full Port
- Valve Connection
- FNPT
- Valve PSI
- 1000
- Valve Body Type
- 3 Pieces
- Valve Configuration
- 2-Way
- Valve Seat
- RTFE
- Warranty
- 1 year
- Valve Standards
- ASME B16.11, ASME B16.34, ISO 5211
The Chicago Valves Series 35 is an industrial-grade max 1000 CWP ball valve featuring a 3-piece full port design, constructed with a durable 316 stainless steel body and carbon steel end caps. It features an integrated ISO 5211 direct-mounting pad for seamless actuator coupling.
Built and tested to ASME B16.34 standards, it is engineered for high-performance fluid regulation. Features a high-cycle live-loaded PTFE stem packing system, anti-static design, and highly reliable RTFE seat. It is rated for steam service up to 150 PSI WSP, vacuum service to 29” Hg, and operating temperatures from -50°F to 450°F (-46°C to 232°C), manufactured with threaded NPT ends to ASME B16.11. Also available with socket weld (SW) ends.
Available in sizes from 1/2" to 4".
Please Note: This valve is supplied with a bare stem by default for direct actuation; a lever handle is optionally available.
Valve Automation: This valve can also be purchased pre-paired and tested with pneumatic actuators as a complete automated package, saving you critical field assembly and testing time.