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PPH DIAPHRAGM VALVE

What is PPH Diaphragm Valve?

PPH Diaphragm Valve is consists of a flexible disc that is sealed with a seat at the top of the valve body. It is excellent for use in restricted spaces.

Due to its widespread use in almost every industrial sector, a PP Diaphragm Valve is the most versatile of all valves. The main advantage is that only two parts, the valve body and the diaphragm, touch the active substance.

The “Minimum Dead Leg” valve type of PP diaphragm valve is well known in the industry. The diaphragm valves are excellent for flow control. By compressing the diaphragm against the weed. Our PP diaphragm valves are available with pneumatic or electric actuation.

This diaphragm sealing system makes PPH Diaphragm Valves & Pipe Fittings. For industrial and ecological engineering as well as manufacturing industries, the wide material range makes it excellent for hostile media, scratch media and highly viscous media.

It has many other uses of PPH Diaphragm Valves & Pipe Fittings. It can be used in the manufacture of drinking and ultra-pure water used in microelectronics and semiconductor manufacturing.

Check other Types of Diaphragm Valves

UPVC Diaphragm Valve  ||  CPVC Diaphragm Valve  ||  PVDF Diaphragm Valve

The CM is a manually operated diaphragm valve of reduced dimensions and particularly compact structure, ideal for use in confined spaces.

• Connection system for solvent weld and threaded joints
• Extremely compact construction

• Internal operating components in metal totally isolated from the con-
veyed fluid

• Valve stem in STAINLESS steel
• Compressor with floating diaphragm support
• Easy to replace diaphragm seal
• Corrosion-proof internal components
• CDSA (Circular Diaphragm Sealing Angle) system offering the following
advantages:
− uniform distribution of shutter pressure on the diaphragm seal
− reduction in the tightening torque of the crews fixing the actuator to
the valve body
− reduced mechanical stress on all valve components (actuator, body and
diaphragm)
− easy to clean valve interior
− low risk of the accumulation of eposits, contamination or damage to
the diaphragm due to crystallisation
− operating torque reduction

Technical specifications
Construction Compact single wear diaphragm valve
Size range DN 12 ÷ 15
Nominal pressure PN 6 with water at 20 °C
Temperature range 0 °C ÷ 60 °C
Coupling standards Solvent welding: EN ISO 1452, EN ISO 15493, BS
4346-1, DIN 8063, NF T54-028, ASTM D 2467, JIS K
6743. Can be coupled to pipes according to EN ISO
1452, EN ISO 15493, DIN 8062, NF T54-016, ASTM D
1785, JIS K 6741.
Thread: ISO 228-1, DIN 2999, ASTM D 2464, JIS B
0203.
Reference standards Construction criteria: EN ISO 16138, EN ISO 1452, EN
ISO 15493
Test methods and requirements: ISO 939
Installation criteria: DVS 2204, DVS 2221, UNI 11242
Valve material Body: PVC-U Bonnet and handwheel: PA – GR
Seal material EPDM, FKM, PTFE
Control options Manual control; pneumatic actuator

COMPACT DIAPHRAGM VALVE

PRESSURE VARIATION ACCORDING TO TEMPERATURE

For water and non-hazardous fluids with regard to which the material is classified as CHEMICALLY RESIS-TANT. In other cases, a reduction of the nominal pressure PN is required(25 years with safety factor).


PRESSURE DROP GRAPH


KV 100 FLOW COEFFICIENT

The Kv 100 flow coefficient is the Q flow rate of litres per minute of water at a temperature of 20°C that will generate Δp= 1 bar pressure drop at a certain valve position. The Kv100 values shown in the table are calculated with the valve completely open.

DN 12 15
Kv100l/min 47 60

CMDV

Compact diaphragm valve with male ends for solvent welding, metric series

d DN PN Bmax B1 H H1 h I J L g EPDMcode FKMcode PTFEcode
20 15 6 86 15 124 58,5 8 35 M5 17 310 CMDV020E CMDV020F CMDV020P

CMIV

Compact diaphragm valve with female ends for solvent welding, metric series

d DN PN Bmax B1 H H1 h I J L g EPDMcode FKMcode PTFEcode
16 12 6 86 15 75 58,5 8 35 M5 14 270 CMIV016E CMIV016F CMIV016P
20 15 6 86 15 75 58,5 8 35 M5 16 270 CMIV020E CMIV020F CMIV020P

EXPLODED VIEW

  • 1 Body (PVC-U – 1)
  • 2 Diaphragm seal (EPDM, FKM,PTFE – 1)
  • 5 Fastening screw (STAINLESSsteel – 4)
  • 6 Washer (STAINLESS steel – 4)
  • 7 Shutter (PA-GR – 1)
  • 8 Nut (STAINLESS steel – 1)
  • 9 Stem (STAINLESS steel – 1)
  • 10 Bonnet (PA-GR – 1)
  • 13 Nut (STAINLESS steel – 4)
  • 14 Protection plug (POM – 4)
  • 15 Optical position indicator(PVDF – 1)
  • 22 O-Ring (NBR – 1)
  • 23 Handwheel (PA-GR – 1)
  • 24 O-Ring (NBR – 1)
  • 25 Bonnet (PA-GR – 1)
  • 26 Fastening screw (STAINLESSsteel – 1)

The material of the component and the quantity supplied are indicated between brackets

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