※ Product name：Fluorine lined discharge ring
※ Design standard：HG/T 21562
※ Flange standard：HG/T 20592
※ Nominal pressure：PN10 PN16 CL150
※ Inspection and experiment：GB/T26480 GB/T13927 API598
※ Lining material：FEP（F46）、PFA、ETFE（F40） 

First, product overview
Fluorine-lined drain ring is mainly used for installation of pipeline instruments or liquid drain. Different lining materials can be selected according to the working conditions. The highest temperature resistance is 180℃. After the lining can withstand various concentrations of aqua royalty, sulfuric acid, hydrochloric acid, and various organic acids, strong acids, strong oxidants and other media.
Second, the main connection size

Nominal diameter DN×dn	D			type	L	H
	PN10	PN16	Class150（PN20）
40×25	90		83	A	80	100
50×25	105		102		80	115
65×25	125		107		80	125
80×25	140		133		80	140
100×25	160		172		80	150
100×32	160		172		90	150
125×25	190		194		80	160
125×32	190		194		90	160
125×40	190		194		100	160
150×25	215		219	B	80	180
150×32	215		219		90	180
150×40	215		219		100	180
200×25	270		276		80	200
200×32	270		276		90	200
200×40	270		276		100	200
250×25	325		337		80	230
250×32	325		337		90	230
250×40	325		337		100	230
300×25	380		406		80	260
300×32	380		406		90	260
300×40	380		406		100	260