
H74 Clamp single flap swing check valve
H74 Clamp single flap swing check valve. Clamp single-flap swing check valve with short structural length and quick, spring-assisted closing.
Product catalog
Mechanical, ultrasonic and wireless water meters, flow meters, meter parts and check valves for OEM and export orders.

H74 Clamp single flap swing check valve. Clamp single-flap swing check valve with short structural length and quick, spring-assisted closing.

H46 Series Clamp Double Flap Swing Flange Check Valve. Clamp double-flap swing check valve with short face-to-face length and spring-assisted closing.

Small water meter parts. The meter should be installed in horizontal position with the direction of the flow as indicated by the arrow cast in the meter body.

Plastic water meter protection box. To better ensure the safety of your goods, professional, environmentally friendly.

Plastic water meter parts mechanism. Dry type Vacuum sealed register ensures the dial kept free from fog and keep the reading clear in a long term.

Plastic Class C dry type water meter mechanism. Dry type Vacuum sealed register ensures the dial kept free from fog and keep the reading clear in a long term.

OV series Water meter check valves. Compliance with standards: Quality check valves comply with various industry standards and regulations to ensure.

Large water meter parts. The meter boxes are designed to protect the water meter from unauthorized access and damage the meter boxes are suitable for use.

H77 Clamp Butterfly check valve. The structure length is short, its structure length is only 1/4 to 1/8 of the traditional flange check valve.

H76 Clamp Double Flap Swing Check Valve. The structure length is short, its structure length is only 1/4 to 1/8 of the traditional flange check valve.

H71 Clamp Lift Check Valve Clamp. The structure length is short, its structure length is only 1/4 to 1/8 of the traditional flange check valve.

H42 Flange Foot Valve. The valve is installed at the bottom of the suction pipe of the pump, and can automatically prevent the backflow of fluid.
Technical guides
Articles on meter selection, installation, remote reading and troubleshooting.

Why a Woltman meter reads low, stops registering or over-reads, what each symptom points to, and the maintenance that keeps it accurate.

A comparison for DN50 and larger lines: cost, low-flow accuracy, pressure loss, moving parts, power needs, and which meter suits which application.

Straight pipe lengths, mounting orientation, and the five install errors that make a Woltman turbine meter read inaccurately in the field.