Main size form

Nominal open Dn directly	L	Japan marks , marks beautifully- JJS 10K (ANSI 150lb )						Japan marks , marks beautifully- JJS 20K (ANSI 300lb )
		D	G	T	F	C	N-h	D	G	T	F	C	N-h
20	117	117	127	73	1.6	98.5	4-16	156	73	20.7	1.6	114.5	4-16
25	127	127	152	92	1.6	120.5	4-19	165	92	22.3	1.6	127	8-19
40	165	165	178	105	1.6	139.5	4-19	190	105	25.4	1.6	149	8-22
50	178	178	190	127	1.6	152.5	4-19	210	127	28.6	1.6	168	8-22
8	229	229	279	216	1.6	241.5	8-22
100	254	254	343	270	1.6	298.5	12-25
150	292	292	406	324	1.6	362.5	12-25
200	330	330	533	413	1.6	476.0	12-29

Main size form

Pressure	Requirements	L	D	D1	D2	B	Z- Φ d	3-G
16	15	108	135	100	78	18	4-18	3-8
	20	117	145	110	85	18	4-18	3-8
	25	127	160	125	100	20	4-18	3-8
	32	140	180	145	120	20	8-18	1/2
	40	165	180	145	120	20	8-18	1/2
	50	178	195	160	135	20	8-18	1/2
	65	203	245	210	185	22	8-18	1/2
	80	229	280	240	210	24	8-23	1/2
	100	254	335	295	265	26	12-23	1/2
	125	267	335	295	265	26	12-23	1/2
	150	292	405	355	320	30	12-25	1/2
	200	330	520	470	435	34	16-25	1/2
25	15	108	135	100	78	18	4-18	3-8
	20	117	145	110	85	18	4-18	3-8
	25	127	160	125	100	20	4-18	3-8
	32	140	180	145	120	20	8-18	1/2
	40	165	180	145	120	20	8-18	1/2
	50	178	195	160	135	20	8-18	1/2
	65	203	230	190	160	24	8-23	1/2
	80	229	300	250	218	30	8-25	1/2
	100	254	360	310	278	34	12-25	1/2
	125	267	425	370	332	36	12-30	1/2
	150	292	425	370	332	36	12-30	1/2
	200	330	550	490	448	44	16-34	1/2