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keystone    For PARASEAL: Wafer-Lug-Double Flanged DN700    密封件
keystone    For PARASEAL: Wafer-Lug-Double Flanged DN700    機(jī)械密封件

keystone    For PARASEAL: Wafer-Lug-Double Flanged DN700    密封件
keystone    For PARASEAL: Wafer-Lug-Double Flanged DN700    機(jī)械密封件
keystone    Fig 990-102; 80 mm - 3 Nr：990080102WM4B00    蝶閥
keystone    014125222WMDB00    蝶閥
keystone    39EE64    軸封組件
keystone    59GJ25    密封件
keystone    59GJ25    密封件
keystone    014125222WMDB00    蝶閥
keystone    39EE64    軸封組件
keystone    79E-003(79E00303080PM00)    電動(dòng)執(zhí)行器
keystone    Sealed P / N 02EJ33 for butterfly 014150222WMDB00    蝶閥配套密封
keystone    014150222WMDB00    蝶閥
keystone    Seals DN250 for FIG 14-343    氣動(dòng)座圈密封附件

KEYSTONE

The Keystone brand, with a tradition of more than 70 years, built its reputation on providing industrial process butterfly valves, which are known for their reliability, long service life, and reduced operating costs. Today the broad Keystone portfolio also includes ball, knife gate, and slurry valves, as well as actuators and controls. Keystone products are used in the oil and gas, chemical, petrochemical, food and beverage, and power generation industries.

Keystone Butterfly Valve Life Cycle Is 2.5 Times That of Competitors' Valves
Independent, third-party life-cycle testing has shown that Keystone’s resilient seated butterfly valves, used to control and isolate abrasive fluids, last 2.5 times longer than our competitors’ comparable butterfly valves.

Click here for our hygienic process equipment products and literature.

Additional Products Offering
Keystone now also offers the following products: (Rollover the links for details) 

Grinnell

Download Brochure

Keystone Butterfly Valve Overview

Where to Buy

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Actuators & Controls

Butterfly Valves

Knife Gate Valves

Slurry Valves

MANUAL OPERATORS | Keystone

Figure 410

• Description
• Specifications
• Documentation
• Related Documents

A new generation manual operator grip made of a high tech composite material suitable for many butterfly valves with Keystone topplate

Applications

The leverlock F410 handle is suitable for many valves which require manual operators. Typical examples are distribution units and risers in HVAC installations and other applications where pipes are insulated. 
Material degradation is possible in contact with strong acids, bases and oxidizing environments.
Although relatively new in the valve industry, it is broadly used in the automotive industry for construction components.

Features & Benefits

• Solid sturdy design.
• Ergonomic grip ensures efficient and easy operation, even with elevated or low temperature fluids, the handle remains comfortable and eliminates the need for dew point barriers.
• Corrosion resistant material The new handle is made from a composite material; a mixture of a polymer matrix, reinforced with glass fibers. The material itself is resistant to outdoor environments.
• High strength material and design Do not confuse this material with ordinary plastics. Composite is a light weight and high strength material. To optimize the material properties in combination with the unique production methods, the handle has been designed with a mosaic of reinforcement bridges which are visible from the bottom side.
• Innovative mounting design by using a bayonet connection between the handle and throttling plate. When the handle is mounted to the valve the bayonet connection is secured by the mounting bolts.
• Raised above insulation piping.
• Can be locked in 10 positions.
• Integrated position indication.
• Clear indication of disc position.
• Provision for padlock device (recommended Shackle diameter ?").
• Axial blocked shaft with throttling plate (blow-out proof).
• 
  

Actuators & Controls