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Brass Check Valves

521N Swing Check with Rubber Seat

• ISO-9002
200 WOG-125 SWP
Cast Brass Body
Swing Type
• Neoprene Seat
Threaded Ends Comply with ANSI B2.1 3/8" - 4"
Solder Ends Comply with ANSI B16.18 1/2" - 2"
Valves are Tested in Accordance w/MSS-SP-82

Spec Sheet    
530 Swing Check 300Psi

• ISO-9002
Bronze Swing Check Valve
300 PSI Non-Shock WOG
150 PSI SWP
Horizontal Pattern
Bronze Disc
Threaded Cap
Threaded Ends Comform to ANSI Standards B2.1
Valves are Tested in Accordance w/MSS-SP-82

Spec Sheet    
532 Swing Check Y 300Psi

• ISO-9002
Bronze Swing Check Valve
300 WOG
Y Pattern

730 Lever Handle Check

• ISO-9002
• 200 WOG
• Bronze Body
• Quick Opening
• Lever Handle
• Split Wedge Disc
• Threaded Ends Comply to ANSI Standards B2.1
• Sizes 1/2" - 4"

525 InLine Check

• ISO-9002
• In-Line Check Valve-Spring Loaded
• Bronze Body
• Buna Seat
• Threaded Ends Comply with ANSI B2.1
• Sizes 1/2" - 2"

527 Foot Valve

• ISO-9002
200 WOG
Foot Valve
Threaded Ends
Bronze Body
Stainless Steel Screen
Buna-N Seat
Sizes 1/2" - 2"

529 SUMP PUMP CHECK VALVES

• ISO-9002
Sump Pump Check Valve
Stainless Steel Clamps
ABS Black Plastic Body
Rubber Flexible Connections
Stainless Steel Plate
Sizes 1-1/2" x 1-1/4" & 2"

E-mail: nni@nni.8m.com
Phone: 305-687-3330
Toll Free: 1-877-NNI-FIRE (1-877-664-3473)
Fax: 305-687-3360
Copyright © 2001 NNI INC. All rights reserved.