What is a Metering Pump (dosing pump)?
- Jul 24, 2022
- Hits: 82
What is a metering pump? A metering pump is used to add small but accurate volumes of a liquid to other fluid streams or vessels. Metering pumps are also called dosing pumps and proportioning pumps. A...
How does a centrifugal pump work?
- Jul 22, 2022
- Hits: 136
What is a centrifugal pump? A centrifugal pump is a mechanical device designed to move a fluid by means of the transfer of rotational energy from one or more driven rotors, called impellers. Fluid enters...
Trunnion Ball Valve Detailed Introduction
- Jun 01, 2022
- Hits: 2587
1. What is a Trunnion Ball Valve The ball valve is an essential device for regulating the flow of fluids- steam, gas, or oil in pipeline. It is quarter-turn designs with a ball capable of rotating 90...
How to Calculate Control Valve Cv
- Apr 22, 2022
- Hits: 409
Valve Flow Coefficient (Cv) is the flow capability of a control valve at fully open conditions relative to the pressure drop across the valve. It is defined as the volume of water (GPM in the US) at 60...
Valve Knowledage: Best Type of Flow Control Valve
- Apr 21, 2022
- Hits: 88
There are many types of valves for use across a variety of industries and applications. When it comes to flow control valves, valve types range from simple to sophisticated; some valves are complex enough...
Torque Chart of ANSI Metal Seat Gate Valve, Class 150 ~ 1500 LB
- Apr 20, 2022
- Hits: 1227
Torque Table N.m Torque Chart of ANSI Metal Seat Gate Valve Size Class LB 150 300 600 900 1500 DN/mm NPS/in Torque/N-m 40 1.5 12 15 20 24 32 50 2 13 16 23 39 54 65 2.5 13 18 - 56 76 80 3 15 21 50...
Metal to Metal Gate Valve Torque Table, PN2.5~32.0 Mpa
- Apr 12, 2022
- Hits: 72
Gate Valve Torque Table N.m Size Nominal Pressure PN/Mpa 0.25 0.6 1.0 1.6 2.5 4.0 6.4 10.0 16.0 20.0 32.0 DN/mm NPS/in Torque /N-m 50 2 25 25 25 30 33 37 48 60 107 134 200 65 2.5 25 50 55 63 68 76 103...
Torque Chart of Floating Ball Valve Soft Seated, Class 150/300/400/600LB
- Mar 29, 2022
- Hits: 609
Torque Table N.m Torque Chart of Floating Ball Valve Soft Seated Size PN / Mpa Class LB 1.6 2.5 4.0 6.4 10.0 150 300 400 600 DN/mm NPS/in Torque/N-M 15 1/2 3 3 5 15 19 3 7 15 19 20 3/4 5 5 10 30 35 5...
Torque Chart of Triple Eccentric Metal Seat Butterfly Valve
- Mar 29, 2022
- Hits: 180
Torque Table N.m Torque Chart of Triple Eccentric Metal Seat Butterfly valve Size PN/Mpa PSI 0.6 1.0 1.6 2.5 4.0 6.3 285 740 1480 DN/mm NPS/in Torque/N-M 50 2 25 29 37 59 83 127 42 92 182 65 2.5...
Self-acting Temperature Control Valve Work System Constructions
- Mar 22, 2022
- Hits: 136
Self-acting temperature control system constructions The required temperature for the system in Picture 7.2.1 is adjusted at the sensor. It is the most standard type of self-acting temperature control...
ISO 5211 Mounting Pad Flange Dimensions
- Mar 21, 2022
- Hits: 556
The ISO 5211 mounting pad accepts direct mounting of pneumatic and electric actuators. Commonly ball valve and butterfly valves are now standard with an ISO mounting interface. This simply means...
Working principle of steam pressure reducing valve (PRV) ?
- Mar 09, 2022
- Hits: 2759
Steam pressure reducing valves are type of self operated valve that can auto reduce the downstream pressure of steam and self adjust the amount of valve opening to allow the pressure to remain the same...