Simmons 601SB Brass Check Valve, 1" w/4 Control Holes

Simmons 601SB Brass Check Valve, 1" w/4 Control Holes

The Simmons 601SB Brass Check Valve is a lead-free silicon bronze check valve designed to provide reliable backflow prevention in water system applications. Featuring a rugged silicon bronze cast body and poppet, stainless steel internal components, and a durable Buna-N O-ring seal, this valve is engineered for long service life and dependable operation under demanding conditions. With a 400 PSI working pressure rating and four integrated control-hole tappings, the 601SB is ideal for well systems, water distribution systems, and other applications requiring flow control and monitoring connections. Simply put, it helps keep water flowing in the right direction instead of taking an expensive trip backward.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 601SB
• Brand: Simmons
• Product Type: Check valve
• Nominal Size: 1 in.
• Connection Type: Female Pipe Thread (FPT)
• Body Material: Silicon bronze
• Poppet Material: Silicon bronze
• Trim Material: Stainless steel
• Seal Material: Buna-N O-ring
• Spring Material: Stainless steel
• Pressure Rating: 400 PSI working pressure
• Temperature Rating: 190°F
• Length: 3-5/8 in.
• Width: 2-3/16 in.
• Height: 2.2 in.
• Lead Content: Less than 0.05% lead
• Control-Hole Configuration: 4 tappings
  • One 1/8 in. inlet
  • Two 1/4 in. outlets
  • One 1/8 in. outlet
• Construction Features:
  • Silicon bronze cast body
  • Silicon bronze cast poppet
  • Stainless steel washer
  • Stainless steel locknut
• Compliance: Lead-free design for potable water applications

Ideal For

• Well water systems
• Water supply and distribution systems
• Pump installations requiring backflow prevention
• Agricultural and commercial water applications
• Anyone who prefers their water system flowing one direction instead of conducting surprise plumbing experiments in reverse