M74 type mechanical sealDetailed product description：

M74 mechanical seal
Structural features: Single end face, arbitrary rotation direction, in compliance with EN12756 (DIN24960) standard. The push ring is clamped by a transmission clamp to prevent the spring from falling off. The static ring can be limited, and the spring stroke is restricted to avoid excessive wear of the carbon ring.
Application areas: Widely used in sewage treatment systems and chemical pumps.
Operating parameters: Pressure: M7N, M74 Non balanced type ≤ 1.6MPaH7N, H75, H76 Balanced type ≤ 6MPa
Temperature: -40~220 ℃ Speed: ≤ 20m/s

M74 multi spring structure

Static ring (car made graphite/silicon carbide/tungsten carbide)
Dynamic ring (silicon carbide/tungsten carbide/carbon graphite)
Auxiliary sealing (fluorine glue/fluorine coated)
Springs and other metal parts (stainless steel)

Sealsized(mm)

d3	d6	d7	L1	L3	f
twenty-five	twenty-one	twenty-five	thirty-five	ten	six
twenty-seven	twenty-three	twenty-seven	thirty-five	ten	six
thirty-three	twenty-nine	thirty-three	thirty-seven point five	eleven point five	seven
thirty-five	twenty-nine	thirty-five	thirty-seven point five	eleven point five	seven
thirty-seven	thirty-one	thirty-seven	thirty-seven point five	eleven point five	seven
thirty-nine	thirty-three	thirty-nine	forty	eleven point five	eight
forty	thirty-four	forty	forty	eleven point five	eight
forty-three	thirty-seven	forty-three	forty-two point five	eleven point five	eight
forty-five	thirty-nine	forty-five	forty-two point five	eleven point five	eight
forty-seven	forty-two	forty-eight	forty-two point five	eleven point five	eight
forty-eight	forty-two	forty-eight	forty-two point five	eleven point five	eight
fifty	forty-four	fifty	forty-two point five	eleven point five	eight
fifty-five	forty-nine	fifty-six	forty-five	fourteen	eight
fifty-seven	fifty-one	fifty-eight	forty-five	fourteen	eight
sixty	fifty-four	sixty-one	forty-five	fourteen	eight
sixty-two	fifty-six	sixty-three	forty-five	fourteen	eight
sixty-five	fifty-nine	sixty-six	forty-five	fourteen	eight
sixty-seven	sixty-two	seventy	forty-seven point five	fifteen	eight
seventy	sixty-five	seventy-three	forty-seven point five	fifteen	eight
seventy-two	sixty-seven	seventy-five	forty-seven point five	fifteen	eight
seventy-nine	seventy	seventy-eight	fifty-two point five	fifteen	nine
eighty-one	seventy-two	eighty	fifty-two point five	fifteen	nine
eighty-four	seventy-five	eighty-three	fifty-two point five	fifteen	nine
eighty-six	seventy-seven	eighty-five	fifty-two point five	fifteen	nine
eighty-nine	eighty-one	ninety	fifty-two point five	eighteen	nine
ninety-one	eighty-three	ninety-two	sixty	eighteen	nine
ninety-nine	eighty-eight	ninety-seven	sixty	eighteen	ten
one hundred and four	ninety-five	one hundred and five	sixty	eighteen point two	ten
one hundred and nine	one hundred	one hundred and ten	sixty	eighteen point two	ten
one hundred and fourteen	one hundred and five	one hundred and fifteen	sixty-five	eighteen point two	ten
one hundred and nineteen	one hundred and ten	one hundred and twenty	sixty-five	seventeen point two	ten
one hundred and twenty-four	one hundred and fifteen	one hundred and twenty-five	sixty-five	seventeen point two	ten

M74 mechanical seal