ASME B16.5 Class 400 RTJ Facing Dimensions

August 28, 2019

Technical Drawings

Figure-1: the ASME B16.5 flange with a ring-type joint (RTJ) facing. P – pitch diameter of groove; G – minimum diameter of raised portion; F – upper width of groove; r – radius at bottom of groove; E – depth of groove, equal to height of raised portion; 23°: slope angle of side wall.

Figure-2: a RTJ joint consisting of two RTJ flanges and a metallic ring gasket which rests in the ring-joint groove. h: approximate distance between flanges. N: groove number.

Figure -3: The stud bolt with two nuts for the connection of two RTJ flanges. Its length is denoted as L (L does not include the height of the points).

ASME B16.5 Class 400 RTJ Facing Dimensions

NPS	Groove No.	P	E	F
1/2	11	34.14	5.54	7.14
3/4	13	42.88	6.35	8.74
1	16	50.80	6.35	8.74
1-1/4	18	60.33	6.35	8.74
1-1/2	20	68.27	6.35	8.74
2	23	82.55	7.92	11.91
2-1/2	26	101.60	7.92	11.91
3	30	117.48	7.92	11.91
3-1/2	34	131.78	7.92	11.91
4	37	149.23	7.92	11.91
5	41	180.98	7.92	11.91
6	45	211.12	7.92	11.91
8	49	269.88	7.92	11.91
10	53	323.85	7.92	11.91
12	57	381.00	7.92	11.91
14	61	419.10	7.92	11.91
16	65	469.90	7.92	11.91
18	69	533.40	7.92	11.91
20	73	584.20	9.53	13.49
22	81	635.00	11.13	15.09
24	77	692.15	11.13	16.66

*Table 400#-1, all dimensions are in mm.

NPS	r	G	h	L
1/2	0.8	51.0	3	75
3/4	0.8	63.5	4	90
1	0.8	70.0	4	90
1-1/4	0.8	79.5	4	95
1-1/2	0.8	90.5	4	110
2	0.8	108	5	110
2-1/2	0.8	127	5	120
3	0.8	146	5	125
3-1/2	0.8	159	5	140
4	0.8	175	6	140
5	0.8	210	6	145
6	0.8	241	6	150
8	0.8	302	6	170
10	0.8	356	6	190
12	0.8	413	6	205
14	0.8	457	6	210
16	0.8	508	6	220
18	0.8	575	6	230
20	1.5	635	6	250
22	1.5	686	6	260
24	1.5	749	6	280

*Table 400#-2, all dimensions are in mm.

RTJ Facings for ASME B16.5 Flanges in Classes
150#	300#	400#	600#
900#	1500#	2500#	-

*Click to view the RTJ facing dimensions for pressure rating Class 150 through Class 2500.

Maybe you like also

» Pneumatic Actuated Knife Gate Valves

» Knife Gate Valves for Copper Slurry Pipeline Systems

» ASTM A335 P1, P11, P22 | 0.5Mo, 1.25Cr-0.5Mo, 2.25Cr-1Mo

» Stud Bolts Dimensions for ASME B16.47 Series B Class 900 RF flanges

» Stud Bolts Dimensions for ASME B16.47 Series B Class 600 RF flanges

» Stud Bolts Dimensions for ASME B16.47 Series B Class 400 RF flanges

Supply of A105 flanges to Wholesalers in Al Kharj Road, Riyadh

Knife Gate Valves for Ash Handling Systems in Power Plants

Pneumatic Actuated Knife Gate Valves

Twin Sphere Rubber Expansion Joints

Knife Gate Valves for Antamina Copper Mine Slurry Transport

We have been dedicating ourselves to piping and pipeline engineering since the inception. The company provides integrated solution to package supply of various piping & pipeline materials, components, and equipment.

Products
About Us
Contact Us
Sitemap
Application
Technical

Room 502, No.448 Heping West Road, Shijiazhuang, Hebei Province, China
Tel: +86-311-67906676
Fax: +86-311-67906676
Email: sales@pipingpipeline.com
Whatsapp: 0086-15076331069