Mueller Strainer - mdi

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Model: 722G

LOCXEND® CONTROL CHEK® Valves
Sizes: 2"–12" (50 – 600mm)

Model 722G Grooved Products by Mueller

Pressure / Temperature - Non-Shock
Model Sizes CWP
722G 2"-12" 640psi @ 100°F
565psi @ 300°F

Typical Service

The LOCXEND® CONTROL CHEK® valve is designed for installation in pump discharge grooved end piping systems where it performs triple duty. It acts as a spring loaded silent check valve, a shutoff valve, and a balancing valve. Used in conjunction with the Mueller Steam Specialty Suction Diffuser, it constitutes a compact and effective complete pump protection and isolation package.

Operation

Features

Material

  722G
Body and Yoke Ductile Iron ASTM A395 (60-40-18) or A536
Disc Aluminum Bronze ASTM B142, C950
Stem 316 S.S.
Seat-Guide Bronze ASTM B584 (81-3-7-9)
Disc-Guide* Cast Iron ASTM A126-B
Seat* Bronze
Flanged Gland Cast Iron ASTM A126-B
Packing Compressed Fiber
Spring 302 Stainless Steel
Stem Guide Ductile Iron ASTM A395 or A536
O-Rings EPDM

*Separate disc-guide and seat used on 6" and larger.
Flanged Models 721 and 722 are available for Class 125 and Class 300 service.

Consult factory for pressure drop information.

Dimensions and Weights

Size Dimensions Weight
    A B C
(NPT)
 
in. mm in. mm in. mm in. mm lbs. kgs.
2 50 9-3⁄8 238 9-5⁄8 244 1⁄2 15 23 10
2-1⁄2 60 10-1⁄4 260 9-5⁄8 244 1⁄2 15 24 11
3 80 11-1⁄4 285 10-1⁄8 257 1⁄2 15 33 15
4 100 15-5⁄8 397 12-5⁄8 321 1⁄2 15 84 38
6 150 19-5⁄8 492 17-1⁄2 445 3⁄4 20 156 70
8 200 23-5⁄8 600 18 457 3⁄4 20 300 136
10 250 28 711 21-3⁄4 552 1 25 392 178
12 300 31-5⁄8 803 25 635 1 25 496 225

Model 722G Grooved Products by Mueller Steam