Ductile Cast Iron Rigid Flexible Coupling FM/UL Approved

 

Size	Pipe O.D	Working Pressure	Bolt Size
	mm/in	PSI/MPa	No.-Size mm
*5                1	*3.7        1.**7	**0 2.*7	*-M*0**5
*2                1¼	*2.4 1.**9	**0 2.*7	*-M*0**5
*0 1 1/2	*8.3 1.**0	**0 2.*7	*-M*0**5
*0          2	*0.3        2.**5	**0 2.*7	*-M*0**5
*5 2 1/2	*3 2.**5	**0 2.*7	*-M*0**5
*5        3OD	*6.1        3.**0	**0 2.*7	*-M*0**5
*0         3	*8.9        3.**0	**0 2.*7	*-M*0**0
**0        4	**4.3       4.**0	**0 2.*7	*-M*0**5
**5        5.5OD	**9.7       5.**0	**0 2.*7	*-M*0**5
**0        6 OD	**5.1 6.**0	**0 2.*7	*-M*0**5
**0        6	**8.3       6.**5	**0 2.*7	*-M*0**5
**0        8	**9.1       8.**5	**0 2.*7	*-M*0***0
**0       *0	**3.0       *0.**8	**0 2.*7	*-M*0***0
**0       *2	**3.9       *2.**2	**0 2.*7	*-M*0***0

 

Gasket	Material	Temperature Range	Recommendations
E	EPDM	**4ºC~ ***0ºC	Recommended for hot water, dilute acid, oil-free gas  and other chemicals(except for hydrocarbon ) within the  specified temperature range. Not recommended for petroleum  and hydrocarbon.
D	NBR	**9ºC~ **2ºC	Recommended for petroleum products, gas with oil vapors,  mineral oil and vegetable oil. Not recommended for high  temperature materials.
S	Silicon Rubber	**0ºC~ ***7ºC	Recommended for high temperature and dry air, and some high temperature chemicals.