$2500 FREE FREIGHT PROGRAM is for supplies, repair parts and whole goods. Tanks, pipe, sprayers and other large equipment are not included in this program. Applies to Continental U.S. ground shipments only.

Call for details! 1-888-677-5054


Dultmeier Sales will be closed Thursday, November 24th and Friday, November 25th in observance of Thanksgiving

Dultmeier Sales will be closed Monday, December 26th.
Normal operations will resume Tuesday, December 27th. We wish you and your family a very Merry Christmas!

Dultmeier Sales will be closed Monday, January 2nd in observance of
New Year's Day

Dultmeier Sales will be closed Monday, July 4th in observance of Independence Day.
Normal operations will resume Tuesday, July 5th. We wish you a happy 4th of July!!

We are experiencing some technical difficulties on dultmeier.com and apologize for any inconvenience.
If you are running into issues, please phone your order in to 1-888-677-5054

Customer Pickup Orders: to help reduce exposure for our customers and our employees, if you are placing an order for in-store pickup please call in your order ahead of time or place your order online and pre-pay with a credit card. Be sure to let us know when you plan to arrive. We will have your merchandise ready for you and will greet you outside our facility. Thank you for your help!

Due to the impending winter storm Wednesday afternoon and Thursday, ASAP Express is cancelling all operations effective noon Wednesday until midnight Thursday.

Injection Check Valve, Stainless Steel

1/2" Inlet, 200 GPH

Injection Check Valves allow chemicals to be injected into the turbulent flow near the center of a product line, providing more uniform dispersion. The disk type check and seat are located at the tip of the check valve to allow constant flushing. This Stainless Steel injection check valve features a stainless steel body and internals and Viton check capable of handling up to a maximum of 150 PSI.

Specifications: 3/4" NPT Line Connection • Check Material is Viton® • Spring Material is 316SS • Maximum Pressure is 150 PSI • 200 GPH (at 50 PSI differential) • Max Temp of 150° F.

Mounting: Mounts directly to a coupling in the sidewall of lines 6 inches and larger. For smaller lines the injection check valve may be mounted to a coupling attached to a nipple (of the length required), to hold the tip of the check valve near the center of the line.

  • Provides Back Pressure to Insure Metering Accuracy.
  • Prevents Back Flow.
  • Prevents Bleed Through When Water Pressure is Low or Line is Drained.
  • Prevents Siphoning When Metering Pumps are Off and Line is Flowing.

NOTE: Injection rate is based upon a 50 PSI differential.
Item Description Quantity Availability
In Stock
*At 50 PSI Differential.