Item # TG-25VXXX-PVD, 1/4" Outlet x 1/2" Inlet Female NPT, PVDF Body, Viton Diaphragm, No Gauge on Marquest Scientific, Inc.

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All Categories > "L Series" Needle Valves > TUFF GUARD Gauge Isolators w/ All Stainless Gauge > Lab Faucets w/ L Series Needle Valve (Wall Mount) > Repair Kits > TUFF GUARD Gauge Isolators w/out Gauge > Item # TG-25VXXX-PVD


	Item # TG-25VXXX-PVD, 1/4" Outlet x 1/2" Inlet Female NPT, PVDF Body, Viton Diaphragm, No Gauge
	$99.00

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1/4" Outlet x 1/2" Inlet Female NPT, PVDF Body, Viton Diaphragm, No Gauge
TUFF GUARD Gauge Isolators
Viton Diaphragm, 1/4" Instrument x 1/2" Inlet Connection
Protects and Isolates Pressure Sensing Instruments

Impermeable Viton Diaphragm, Convoluted for Accurate Pressure Transmission.
Stainless steel reinforced instrument connection. Integrally molded. "Unbreakable!"
Reinforced process connection with compressive spoke ribs to transfer the tensile stress into compression.
Wall thickness meet or exceed ANSI Schedule 120.
Sufficient displacement to handle the required volumetric displacement of all instrument sizes and pressure ranges.
Self Venting Internal Shape for "Easy Filling"
Fill/Bleed port provision, reinforced through upper chamber to allow for threaded connections in vacuum fill processing.
Integral wrench provisions for field service and maintenance. Diaphragm is Replaceable.
Low Profile Design eliminates Dead Volume
3 year limited warranty

Specifications · Scope · Materials of Construction · Features

Specifications

Size Description		1/4" x 1/2" Female NPT

Material		PVDF, Viton Diaphragm

Max PSI		250 psi

Scope

The Marquest Gauge Isolator provides two fluid chambers separated by an impermeable membrane. The upper chamber (instrument side) is normally filled with a stabilized liquid. The lower chamber receives the media under pressure.
Most pressure sensing devices are compatible with 1/4" FNPT outlet. The inlet is standard 1/2" FNPT or 1/4" FNPT.
Chemical resistance and purity levels are as recommended for the base materials.
No metals or lubricants are used in construction, internally or externally.
Custom diaphagms may be supplied upon request.

Materials of Construction

Body:

PVC: Polyvinyl Chloride
CPVC: Chlorinated Polyvinyl Chloride
PP: Polypropylene homopolymer, glass & mineral reinforced

Membrane:

Standard: PTFE, Teflon®, also available in:
FPM: Viton®, Fluorine elastomer
EPDM: Ethylene Propylene elastomer

Features

Protects and isolates pressure sensing instruments
Total isolation from system media
Low profile design eliminates dead volume
Convoluted diaphragm allows accurate transmission of system pressure
Optimum pressure containment spherical design
Low in original cost and maintenance
Simple installation

DOWNLOADS


		Filling Instructions (PDF, 838KB)

		Tuff Guard Sales Drawing (PDF, 118KB)

		Tuff Guard Installation Instructions (PDF, 1602KB)

		Pressure/Temperature Chart (PDF, 274KB)

		Tuff Guard Data Sheet (PDF, 1219KB)

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Item # TG-25VXXX-PVD, 1/4" Outlet x 1/2" Inlet Female NPT, PVDF Body, Viton Diaphragm, No Gauge

Size Description

Material

Max PSI