TVM Series

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Adjustable flow control throttle valves

Construction ApplicationsTools ApplicationsIndustrial ApplicationsAgricultural Applications

Holmbury’s TV Throttle valves (manifold type) are designed to control
the flow rate in a system. Adjusting the rotary handle (lockable) to
open or restrict the thru bore accurately controls the flow.
Speciality Coupling TechSpeciality Coupling
Carbon Steel Trivalent Materials

Features

• Flow Control• Adjustable lockable handle• TVM - Bi-directional flow• TVM-CV - One way flow (Non-return)

Construction

• Carbon steel body with trivalent plating• Fitted with NBR seals as standard

Applications

• Construction• Mobile Hydraulics• Test Equipment• Machine Tools• General Hydraulics• Agricultural

AVAILABLE SEALS AND TEMPERATURE RANGE

All carbon steel products have Nitrile Butadiene Rubber seals fitted as standard. All stainless steel products have Fluoro-elastomer Rubber (Viton®) seals fitted as standard. Special seal materials available on request.

106°C 223°F

Nitrile

120°C 248°F

EPDM

200°C 392°F

Viton®

300°C 572°F

Kalrez®

-20°C -4°F

Viton®

-25°C -13°F

Kalrez®

-40°C -40°F

Nitrile

-50°C -58°F

EPDM

Abbreviation Trade Name Chemical Name Min Temp. Max Temp.
NBR XNBR Chemigum®, Hycar8, Breon®, Butakon®, Butacril®, Buna-N®, Perbunan®, Paracril®, Krynac®, Europrene-N®, Nipol® Nitrile Butadiene Rubber Carboxylated Nitrile Rubber -40°C (-40°F) 106°C (223°F)
FKM (FPM) Dai-el®, Fluorel®, Tecnoflon®, Viton® Fluoro-elastomer Rubber -20°C (-4°F) 200°C (392°F)
EPR EPDM Buna-AP®, Dufral®, Epsyn®, Nordel®, Epcar8, Keltan®, Royalene®, Polysar-EPDM® Ethylene Propylene Copolymer Ethylene Propylene Terpolymer -50°C (-58°F) 120°C (248°F)
FVMQ Silastic 1S®, FSE® Fluorosilicone Rubber -65°C (-85°F) 170°C (338°F)
FFKM Perlast®, Kalrez®, Chemraz®, Kaflon® Perfluoroelastomer -25°C (-13°F) 300°C (572°F)