• Standard PQVF / PQVI

    PREMAFLEX pinch valves (PQVF/PQVI) Header-Ventile

PREMAFLEX Pinch Valves PQVF metal design with flange connection

Standard PQVF pinch valves are available in nominal sizes DN 40 to DN 200. Our cost-effective standard pinch valves of the PQVF series consist of a grey cast iron GG20 casing with two clamping flanges, also made of grey cast iron GG20 as well as a highly elastic rubber sleeve with fabric inserts. The rubber sleeve is centred in the casing and is held by clamping flanges on both sides. Therefore, only four components and a few hexagon bolts are required for a fully functional PREMAFLEX pinch valve. In addition, the Prema-Service offers various casing and flange materials as well as sleeve qualities for a versatile range of applications.
PREMAFLEX pinch valves (PQVF/PQVI) 01_premaflex_pqvf

Details – PREMAFLEX pinch valve PQVF

Size: DN 40–200
max. operating pressure: 4–6 bar
Valve casing: Grey cast iron GG20 or aluminium
Clamping flanges:
  • Grey cast iron GG20 (optionally rubberised or with stainless steel bushing)
  • Aluminium
  • Steel (optionally rubberised)
  • Stainless steel (V4A)
Sleeve: dependent on medium
Connection dimension:
  • Flange DN 40–150 in accordance with DIN 2633 – PN 10/16 Form C
  • Flange DN 200 in accordance with DIN 2632 – PN 10/Form C
Attachments: Control and monitoring units
PREMAFLEX pinch valves (PQVF/PQVI) premaflex-quetschventile-abschnitt2

Dimensions of the PREMAFLEX pinch valve series PQVF

DN L D Di
40 156 150 40
50 167 165 45
65 184 185 60
80 226 200 75
100 282 220 95
125 350 250 120
150 420 285 145
200 559 340 195
PREMAFLEX pinch valves (PQVF/PQVI) 03_premaflex_pqvf_specifications

PREMAFLEX pinch valves metal design with internal thread PQVI

Our pinch valves of the PQVI series are available in nominal sizes DN 20 (G 3/4 “) and DN 25 (G 1”). The pinch valve of the PQVI series consists of a casing, two clamping pieces and two union nuts as well as a rubber sleeve. The rubber sleeve is centred in the middle of the casing and is held on both sides by the clamping pieces and union nuts. Therefore, only 6 components are required for a fully functional PREMAFLEX pinch valve. The valve can be installed in any position.
PREMAFLEX pinch valves (PQVF/PQVI) 04_premaflex_pqvi

Details – PREMAFLEX pinch valves metal design with internal thread PQVI

Size: DN 20 / DN 25
Overall length: DN 20 = 140 mm
DN 25 = 150 mm
Weight: DN 20 = 1.2 kg
DN 25 = 1.9 kg
Connection on both sides: Sleeve connection in accordance with DIN 228 (G)
DN 20 = G ¾”
DN 25 = G 1″
Sleeve connection material: Galvanised steel or stainless steel
Material of valve body:
  • DN 20: Grey cast iron GG20 or bronze (Rg 5)
  • DN 25: Bronze (Rg 5)
max. operating pressure: 6 bar
Control air pressure: 2–2.5 bar higher than operating pressure
Pilot air port: G 3/8″
PREMAFLEX pinch valves (PQVF/PQVI) 05_premaflex_pqvi_1

Contact

Mr. Wolfgang Körber | Sales / Engineering | +49 6172 6778-53 | Send an e-mail