PSQ

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PSQ PISTON SEAL

 

DESCRIPTION

The PSQ Piston Seal has a double-ended profile in the middle, in the dynamic part, and two small steps in the static part where the Q-ring is housed.
The Q-ring energizes the seal and provides a perfect sealing performance both at low and high pressure.
Also the shape of the central double-ended profile prevents hydrodynamic pressures on the seal and the resulting blow-out effect.

 

TECHNICAL DATA

PSQ Piston Seal

Pressure: <250 Bar with a C0-type material at 93 Shore A, at a temperature of 60°C. < 400 Bar a D0-type material, at 98 Shore A, at a temperature of 60°C.

Speed: <0.8 m/s

Temperature: from –35°C to +100°C with peaks up to 110°C.

Fluids: mineral oils

 

MATERIAL

The sealing parts are in polyurethanes with different hardnesses, according to the specific operating pressures.
Compound reference: CQ (93 Shore A with Q-ring ) or, alternatively, DQ (98 Shore A with Q-ring)

 

ASSEMBLY

Cutting edges or flash must be removed in the housing of the seal. Ensure a lead-in chamfer in the bore to facilitate the installation of the piston.

 

DRAWING PSQ PISTON SEAL

psq piston seal artic seals

ARTICLES PSQ PISTON SEAL

Dh9 dh9 E+0,2 C R ART  /  ITEM
40,0 24,5 6,3 5,0 0,4 PSQ 0400 0245 063 CN
* 40,0 29,0 4,2 4,0 0,3 PSQ 0400 0290 042 CN
45,0 34,0 4,2 4,0 0,3 PSQ 0450 0340 042 CN
* 50,0 34,5 6,3 5,0 0,4 PSQ 0500 0345 063 CN
* 50,0 39,0 4,2 4,0 0,3 PSQ 0500 0390 042 CN
55,0 39,5 6,3 5,0 0,4 PSQ 0550 0395 063 CN
60,0 44,5 6,3 5,0 0,4 PSQ 0600 0445 063 CN
60,0 49,0 4,2 4,0 0,3 PSQ 0600 0490 042 CN
* 63,0 47,5 6,3 5,0 0,4 PSQ 0630 0475 063 CN
* 63,0 52,0 4,2 5,0 0,3 PSQ 0630 0520 042 CN
65,0 49,5 6,3 4,0 0,4 PSQ 0650 0495 063 CN
70,0 54,5 6,3 5,0 0,4 PSQ 0700 0545 063 CN
70,0 59,0 4,2 4,0 0,3 PSQ 0700 0590 042 CN
75,0 59,5 6,3 5,0 0,4 PSQ 0750 0595 063 CN
80,0 59,0 8,1 6,0 0,4 PSQ 0800 0590 081 CN
* 80,0 64,5 6,3 5,0 0,4 PSQ 0800 0645 063 CN
85,0 69,5 6,3 5,0 0,4 PSQ 0850 0695 063 CN
90,0 69,0 8,1 6,0 0,4 PSQ 0900 0690 081 CN
90,0 74,5 6,3 5,0 0,4 PSQ 0900 0745 063 CN
95,0 79,5 6,3 5,0 0,4 PSQ 0950 0795 063 CN
100,0 79,0 8,1 6,0 0,4 PSQ 1000 0790 081 CN
* 100,0 84,5 6,3 5,0 0,4 PSQ 1000 0845 063 CN
105,0 89,5 6,3 5,0 0,4 PSQ 1050 0895 063 CN
110,0 89,0 8,1 6,0 0,4 PSQ 1100 0890 081 CN
110,0 94,5 6,3 5,0 0,4 PSQ 1100 0945 063 CN
115,0 94,0 8,1 6,0 0,4 PSQ 1150 0940 081 CN
120,0 99,0 8,1 6,0 0,4 PSQ 1200 0990 081 CN
* 125,0 104,0 8,1 6,0 0,4 PSQ 1250 1040 081 CN
* 125,0 109,5 6,3 5,0 0,4 PSQ 1250 1095 063 CN
130,0 109,0 8,1 6,0 0,4 PSQ 1300 1090 081 CN

* ISO 7425

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