George Fischer Valves

Type

Medium to be transported

Function requirements

Free of foreign bodies

Containing solid particles or crystals

Viscous

Gaseous

Adjustable (i.e. for throttling)

Position indicator

Permits use of in-line cleaning (pigging)

Leakproof under vacuum

Pressure surge behavior

Seal materials available

Diaphragm Valve

+

+

+/O

+/O

+

+

-

O

O

EPDM, PTFE

Ball Valve

+

O/-

+

+

+/O

+

+

+

+

EPDM, FPM

Y-Globe Valve

+

O

+

O

+

O

-

O

-

PE, PTFE

Butterfly Valve

+

+/O

+/O

+

+/O

+

-

+

+

EPDM, FPM

Type

Type Number Manually Operated

Description

Range of Nominal Size

Material of Base

Available Seal Materials

Pressure in psi (water 68° F)

End Connections

PVC

CPVC

Ball Valve with True Union Ends

346

Premium true union ball valve. O-ring seat backing provides constant torque. Maintenance free. Teflon® seats. Tested 50,000 cycles - clean fluids. Can be converted to actuated in-line.

3/8" - 2"

3/8" - 2"

EPDM, FPM

150, 232 psi*

solvent cement socket, NPT threads, flanges

Ball Valve

370

Unrestricted bore for optimum flow. Easy manual operation. Corrosion resistant and maintenance free. Standard overall lengths with backing flanges. Teflon® seats.

2½" - 6"

2 ½" - 4"

EPDM, FPM

150

solvent cement socket, flanges

Ball Valve with True Union Ends

560

Good safety features. Economical, repairable, full-block. Assembled without contaminating lubricants. NSF approval.

½" - 4"

½" - 4"

EPDM, FPM

150

solvent cement socket, NPT threads, flanges

COLORO Compact Ball Valve

353

Unrestricted bore for optimum flow. Sturdy monobloc construction resists field breakage. Short laying length and low profile require minimum installation space. Teflon® seats. O-ring seat backing provides constant torque. Maintenance free.

½" - 2"

-

EPDM,FPM

150, 232 psi*

solvent cement socket, NPT threads

COLORO Single Union Ball Valve

354

EPDM,FPM

COLORO Ball Valve with True Union Ends

355

True union ball valve. Unrestricted bore for optimum flow. Sturdy monobloc construction resists field breakage. Short laying length and low profile require minimum installation space. Teflon® seats. O-ring seat backing provides constant torque. Maintenance free.

EPDM,FPM

MIP Ball Valve

350

Molded-In-Place ball valve. Corrosion resistant and maintenance free. EPDM seals.

½" - 2"

-

EPDM

150

solvent cement socket, NPT threads

3-Way  Ball Valve (L-Port) Horizontal or Vertical

343

Corrosion resistant and maintenance free. Long working life. Standard overall lengths. Teflon® seats.

3/8" - 2"

-

EPDM, FPM

150

solvent cement socket, NPT threads

Metering Ball Valve with True Union Ends

323

Precise control of minimum flow quantities. Indicator scale allows fine adjustment. Standard overall lengths. Teflon® seats.

3/8" & ½"

-

EPDM, FPM

150

solvent cement socket, NPT threads

Laboratory Ball Cock

324

Specially designed for laboratory use. Corrosion resistant and maintenance free. Long working life. Teflon® seats.

¼"

-

EPDM

150

solvent cement socket, NPT threads

Diaphragm Valve

314

New bonnet design. Ergonomic, easily removable handwheel. Lockable option. Suitable for slurries and abrasive media. Corrosion resistant and maintenance free. Standard overall lengths. True union ends.

½" - 2"

-

EPDM

150 **

solvent cement socket

315

New bonnet design. Ergonomic, easily removable handwheel. Lockable option. Suitable for slurries and abrasive media. Corrosion resistant and maintenance free. Excellent for throttling control.

-

½" - 2"

solvent cement spigot

317

½" - 6"

½" - 4"

flanges

Replacement Diaphragms

-

Note: EPDM and Teflon® Diaphragms cannot be interchanged (internal valve parts are different). 

-

-

EPDM,Teflon/EPDM, CSM (Hypalon) Other diaphragm materials on request (e.g. NBR, Nitrile; FPM, Viton®)

-

 -

Butterfly Valve

367

Wafer style. Minimum laying length. Good throttling valve. Available with gear operator.

2½" - 12"

2½" - 12"

EPDM, FPM

150 **

-

037

Rilsan® coated iron disc or Stainless Steel disc. Available with handle or gear operator.

2" - 16"

2" - 16"

EPDM, FPM

570

Lug or wafer style. Specifically designed for dead-end lines. Gear operator standard for 10" and 12" sizes, optional on 3"-8" sizes.

3" - 12"

3" - 12"

EPDM, FPM

150

-

Ball Check Valve with True Union Ends

360

Good flow characteristics. Reliability of operation. Corrosion resistant. Standard overall lengths.

3/8" - 3"

3/8" - 2"

EPDM, FPM

150, 232 psi*

solvent cement socket, NPT threads, solvent cement spigot (3" only)

Y-Check

304

Excellent flow characteristics. Minimum pressure loss. Mount horizontally or vertically. Efficient at low working pressures.

½" - 3"

-

EPDM, FPM

150

solvent cement spigot

Y-Globe Valve

301

Good flow characteristics. Bonnet nut facilitates exchange of components. Easy replacement of disc and seat assembly.

½" - 3"

-

PE, PTFE

150

solvent cement spigot

Line Strainer

306

Easy to clean. corrosion resistant. Screen available in four different perforations.

½" - 3"

-

EPDM,FPM

150

solvent cement spigot