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Sanitary Butt-weld Butterfly Valve with Pull Handle

Sanitary Butt-weld Butterfly Valve with Pull Handle inquiry

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Adamant's Sanitary Butt-weld Butterfly Valve with Pull Handle is constructed from 316 Stainless Steel with a 32Ra ID/OD polish. Butt-weld is available with your choice of end connection. 

They are ideal for use in food or drink processing and other clean service applications. All of Adamant’s products include an ISO 5211 mounting pad for the direct mounting of actuators. Direct mount eliminates the need for extra space, weight, and cost. A full range of accessory items is available including pneumatic and electric actuators, limit switches, solenoid valves, and manual override devices.



AV-1MW series is a manual type sanitary butterfly valve with butt-welded / butt- welded ends, which is widely used in process piping systems for isolation and control. AV-1MW butterfly valve operates manually.




Butterfly Valve

Reference No.



1/2" to 12" (1/2", 3/4", 1”, 1 1/2", 2", 2 1/2", 3", 4", 5", 6", 8", 10", 12")

Diameter Nominal

DN15 - DN300 (DN15, DN20, DN25, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300)

Valve body material

AISI 304 or AISI 316L, 304L and 316 materials

Max. working pressure

145psi (10bar) for DN25/1"-DN100/4"; 116psi (8bar) for DN125/5"-DN150/6"; 73psi (5bar) for DN200/8"-DN300/12"

Temperature range

14 ~ 248°F (-10 ~ 120°C) with EPDM seat, -58 ~ 356°F (-50 ~ +180°C) with VMQ (Silicone) seat

End connections

butt-welded / butt-welded


4-position Pull handle as the product photo shows

Surface treatment

Ra 16-32μin (0.4-0.8μm), Ra 25 (0.5μm) is the default.



  • Valve body and disc material can be AISI 304 or AISI 316L, 304L and 316 materials are available upon request.
  • The seat and gasket can be EPDM, VMQ (Silicone) or Viton (FPM), all complying with FDA 21CFR177.2600.
  • End connection can be butt-welded, sanitary tri-clamp, threaded, flanged, I-line or others upon request.
  • Handles: 4-position pull handle; multi-position handle with plastic cover or in pure stainless steel.


Actuators to reach automatic operation: pneumatic stainless steel actuator (vertical type), pneumatic aluminum actuator (horizontal type), and electric actuator.

  • NC operated: normally closed (fail closed)---air to open, spring to close
  • NO operated: normally open (fail open)---air to close, spring to open
  • AA operated: double acting---air to open, air to close


  • Valve intelligent control: position sensor, C-top controller, C-top controller (AS-I)
  • Standards: DIN, SMS, ISO / IDF, BS / RJT, and ASME / BPE


Technical Parameters

Steel material

Product wetted steel parts

AISI 304 or 316L

(1.4301 / 1.4404)

Provided with material inspection report

Other steel parts

AISI 304

Seal material



All seal materials comply with FDA 21CFR177.2600


VMQ / Viton (FPM)


Working pressure

≤145psi (10bar)

Supply pressure for air actuator

70 ~ 116psi (5 ~ 8bar)


Working temperature

EPDM: 14 ~ 248°F (-10 ~ 120°C)

VMQ (Silicone): -58 ~ 356°F (-50 ~ +180°C)

Viton (FPM): -22 ~ 428°F (-30 ~ +220°C)

Sterilization temperature

150°C (302°F), Max. 20 min

Surface treatment

Inside surface treatment

Ra 16 ~ 32µin (0.4 ~ 0.8µm)

Outside surface treatment

Ra 32 ~ 64µin (0.8 ~ 1.6µm)


End connections: butt-welded, sanitary clamp, male and female threaded, flanged, I-line or others upon request.




Related Products:

Sanitary Butterfly Valves with Butt-weld Ends, Pneumatic Operation

Sanitary Butterfly Valves with Tri-clamp Ends, Pull Handle

Sanitary Butterfly Valves with Tri-clamp Ends, SS Lever Handle

Sanitary Butterfly Valves with Tri-clamp Ends, Pneumatic Operation


Contact us for more information and best pricing.