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High Performance-KEYSTONE Butterfly Valve -A&S Actuator.,Ltd

High Performance

High Performance

Keystone High Performance Butterfly Valves deliver dependable control in a wide range of sizes. With ASME ratings of 150/300 and specialty valve materials available, Keystone High Performance Butterfly Valves can excel in a wide range of applications. General usage environments include steam, water, utility lines, oil, gasoline, jet fuels, natural gas, process lines, and more.

Keystone High Performance Butterfly Valves are engineered with K-LOK polymer and elastomer seats which provide bi-directional, drop-tight closure in vacuum as well as at full rated differential pressure. This unique design seals at high and low pressures (as well as in dirty service) without pressure assistance. The extended neck on Keystone High Performance Butterfly Valves allows for additional insulation. Additionally the integrated mounting pad provides direct mounting of many actuator types, simplifying assembly and installation.

Cryogenic Butterfly Valve Figure V20

Cryogenic Butterfly Valve Figure V20


Description Figure V20 is a metal seated cryogenic butterfly valve designed according to ISO and AN
HiSeal High Performance Butterfly Valve

HiSeal High Performance Butterfly Valve


Description HiSeal, high performance butterfly valves offer efficient, bi-directional sealing acros
K-LOK F360 Butterfly Valve

K-LOK F360 Butterfly Valve


ANSI Class 150, Wafer Style
K-LOK F362 Butterfly Valve

K-LOK F362 Butterfly Valve


ANSI Class 150, Full-lugged
K-LOK F370 Butterfly Valve

K-LOK F370 Butterfly Valve


ANSI Class 300, Wafer Style
K-LOK F372 Butterfly Valve

K-LOK F372 Butterfly Valve


ANSI Class 300,Full-lugged

KEYSTONE K-LOK F370 Butterfly Valve 900F375159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 900F375159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 750F374159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 750F374159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 600F373159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 600F373159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 500F372159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 500F372159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 450F371159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 450F371159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 400F370159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 400F370159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 350F369159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 350F369159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 300F368159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 300F368159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 250F367159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 250F367159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.
KEYSTONE K-LOK F370 Butterfly Valve 200F366159ANSI 300

KEYSTONE K-LOK F370 Butterfly Valve 200F366159ANSI 300


Vacuum Rating The combination of interference fit seats and bi-directional packing makes the K-LOK especially well suited for vacuum service. Standard K-LOK high performance valves are rated to an absolute pressure of 4 x 10-5 in Hg. Special cleaning may be required for high vacuum applications.

Contact Us

  • A&S Actuator Co., Ltd.
  • 469 Xinsheng Road, Gaoxin District, Chengdu, Sichuan, China
  • Tel: +86-28-67638639
  • Fax: +86-28-86129221
  • Email: actuator@attachment8.com
  • Contact Person: Leo Zhang

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About Us

A&S Actuator Co., Ltd. is specialized in supplying a wide range of actuators, butterfly valves and cylinders.

Actuators Types:
electric actuators, pneumatic actuators, hydraulic actuators, rotary actuators, linear actuators, magnetic linear actuator, solar actuator, valve actuators, high speed actuators, low pressure actuators, heavy duty linear actuators, piston actuators.


Actuators Brands:
Ouma, Rotork, Honeywell, Kinetrol, Keystone, Parker, SMC, Air Torque, ARI, Azbil, Yamatake, Mitsubishi, OTK, OMAL, etc.

Butterfly Valves:
Danfoss, SMC, OMAL, Siemens, Yamatke, KITZ, etc.

Pneumatic Cylinders / Air Cylinders:
Bosch Rexroth, Parker, DELIXI, SMC, Festo, CKD, Camozzi, Koganei, AirTac, TPM, JMC, TPC, NORGERN, CHELIC, SNS, etc.

Our products have been exported to many regions, such as Europe, America, South Africa, South Asia and the Middle East countries, etc. We have earned a reputation for high-quality products and personalized customer service.

We would like any cooperation. Welcome to contact us for further information.

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