ZU4 mechanical sealDetailed product description：

Scope of application of ZU4 mechanical seal
Media: oil, water, highly crystalline, alkali, salt, high viscosity fluid, slurry, etc.

Structural characteristics of ZU4 mechanical seal
1. Single spring, fork movement, strong anti blocking ability, independent of rotation direction during use.
2. The auxiliary sealing ring can be made of rubber O-ring (N) or PTFE V-ring (T) according to different situations.
3. Compliant with ISO3069, DIN24960, and GB6556 standards, with strong universality.
In addition to providing stationary rings that comply with DIN24960 standard dimensions, this model can also provide other popular types of stationary rings worldwide. Please contact Jinde Mechanical Seal Factory for specific questions.

Nominal shaft diameter	d(h7)	d1	Dmin	D1(H8)	D2(H11)	D3	d3(H8)	L(±0.5)	L1(±0.5)	L4	C
eighteen	eighteen	thirty-two	thirty-four	thirty-three	twenty-seven	twenty-three	three	fifty-two	forty-five	five	two
twenty	twenty-two	thirty-four	thirty-six	thirty-five	twenty-nine	twenty-five		fifty-two	forty-five
twenty-two	twenty-two	thirty-six	thirty-eight	thirty-seven	thirty-one	twenty-seven		fifty-three	forty-six
twenty-four	twenty-four	thirty-eight	forty	thirty-nine	thirty-three	twenty-nine		fifty-six	forty-nine
twenty-five	twenty-five	thirty-nine	forty-one	forty	thirty-four	thirty		fifty-six	forty-nine
twenty-nine	twenty-nine	forty-two	forty-four	forty-three	thirty-seven	thirty-three		fifty-six point five	forty-nine point five
thirty	thirty	forty-four	forty-six	forty-five	thirty-nine	thirty-five		fifty-seven	fifty
thirty-two	thirty-two	forty-six	forty-eight	forty-eight	forty-two	thirty-eight		fifty-eight point five	fifty-one point five
thirty-three	thirty-three	forty-seven	forty-nine	forty-eight	forty-two	thirty-eight		fifty-eight point five	fifty-one point five
thirty-five	thirty-five	forty-nine	fifty-one	fifty	forty-four	forty		fifty-eight point five	fifty-one point five
thirty-eight	thirty-eight	fifty-four	fifty-eight	fifty-six	forty-nine	forty-four	four	sixty-two	fifty-five	six
forty	forty	fifty-six	sixty	fifty-eight	fifty-one	forty-six		sixty-two	fifty-five
forty-three	forty-three	fifty-nine	sixty-three	sixty-one	fifty-four	forty-nine		sixty-five	fifty-eight
forty-five	forty-five	sixty-one	sixty-five	sixty-three	fifty-six	fifty-one		sixty-five	fifty-eight
forty-eight	forty-eight	sixty-four	sixty-eight	sixty-six	fifty-nine	fifty-four		sixty-six	fifty-nine
fifty	fifty	sixty-six	seventy	seventy	sixty-two	fifty-seven		sixty-seven	sixty		two point five
fifty-three	fifty-three	sixty-nine	seventy-three	seventy-three	sixty-five	sixty		seventy-one point five	sixty-four point five
fifty-five	fifty-five	seventy-one	seventy-five	seventy-five	sixty-seven	sixty-two		seventy-three point five	sixty-six point five
fifty-eight	fifty-eight	seventy-eight	eighty-three	seventy-eight	seventy	sixty-five		seventy-six point five	sixty-nine point five	six point five
sixty	sixty	eighty	eighty-five	eighty	seventy-two	sixty-seven		seventy-six point five	sixty-nine point five
sixty-three	sixty-three	eighty-three	eighty-eight	eighty-three	seventy-five	seventy		seventy-eight point five	seventy-one point five
sixty-five	sixty-five	eighty-five	ninety	eighty-two	seventy-seven	seventy-two		eighty-one point five	seventy-four point five
sixty-eight	sixty-eight	eighty-eight	ninety-three	ninety	eighty-one	seventy-five		eighty-two point five	seventy-five point five	seven
seventy	seventy	ninety	ninety-five	ninety-two	eighty-three	seventy-seven		eighty-six point five	seventy-nine point five
seventy-five	seventy-five	ninety-eight	one hundred and four	ninety-seven	eighty-eight	eighty-two		eighty-seven	eighty
eighty	eighty	one hundred and three	one hundred and nine	one hundred and five	ninety-five	eighty-eight		ninety point five	eighty-three point five		three
eighty-five	eighty-five	one hundred and eight	one hundred and fourteen	one hundred and ten	one hundred	ninety-three		ninety point five	eighty-three point five
ninety	ninety	one hundred and thirteen	one hundred and nineteen	one hundred and fifteen	one hundred and five	ninety-eight		ninety-two point five	eighty-five point five
ninety-five	ninety-five	one hundred and eighteen	one hundred and twenty-four	one hundred and twenty	one hundred and ten	one hundred and three		ninety-three point five	eighty-six point five
one hundred	one hundred	one hundred and twenty-three	one hundred and twenty-nine	one hundred and twenty-five	one hundred and fifteen	one hundred and eight		ninety-three point five	eighty-six point five
one hundred and ten	one hundred and ten	one hundred and thirty-five	one hundred and forty-four	one hundred and thirty-six	one hundred and twenty-five	one hundred and eighteen		ninety-seven	ninety	eight
one hundred and twenty	one hundred and twenty	one hundred and forty-five	one hundred and fifty-four	one hundred and forty-six	one hundred and thirty-five	one hundred and twenty-eight		ninety-seven	ninety