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Piping filter
Product description
The Piping filter is mini-type equipment used to filter solid particle in liquids for the purpose of protecting compressor, pump, instrumentations and other devices for normal operation. When liquids enter into the cylinder with specified sieve, dust particles are stopped, clear filtered liquid dischar ges from filter outlet. If it is necessary to clean the filter, remove the cylinder and wash it outside and then replace the cylinder. It is very convenient to maintain it.
Filters produced by our company features compact structure, large filtering capacity, low pressure loss, wide application, convenient maintenance and cheap price. Main filtering liquids include:
(1)Weak erosive materials used for chemical and petrochemical production：Such as water, oil products, natural gas products etc.
(2)Erosive materials used for chemical and petrochemical production：Such as caustic soda, sodium carbonate, thick and thin sulphuric acid, carbonic acid, aldehyde acid, etc.,
(3)Low temperature materials used for refrigeration: Such as liquid methane, liquid ammonia, liquid oxygen and all kinds of refrigeration agent.
(4)Materials used for foodstuff production, pharmaceutical production with strict hygienic requirement: Such as beer, beverage, dairy products, syrup etc.

Denotation of product types
The piping filters produced by the company include: (1) Y-type filter (2) T-type filter (3) Basket filter (4) Temporary filter (5) Gas filter

1、Y-type filter
(1) Y-type cast thread-connection filter (PFYI-R type), Base welding connection filter(PFYI-SW type) (DN15~50, PN≤5.0Mpa)
PFY I—R、PFY I—SW

Type	PFYI-R
DN	D	L	H	N
15	Rc1/2	100	74	Rc1/4
20	Rc3/4	110	55
25	Rc1	130	103
32	Rc1¼	160	110
40	Rc1½	180	132
50	Rc2	200	153	Rc3/8

Type	PFYI-SW
DN	D	L	H	N
15	21.8/18.5	100	74	Rc1/4
20	27.4/25.5	110	88
25	34.2/32.5	130	103
32	42.9/38.5	160	110
40	48.8/45.6	180	132
501	61.3/58	200	153	Rc3/8

(2)Y-type cast flange-connection filters with same diameter (PFYI-F type) (DN15~250, PN≤5.0Mpa)
PFYI -F

DN	L	H	N
15	140	120	Rc1/4
20	140	120
25	140	120
32	170	160
40	270	160	Rc3/8
50	270	180	Rc3/8
65	290	190	Rc3/4
80	360	250
100	410	280
125	480	330
150	520	360	M20×1.5
200	660	450
250	870	670

(3) Y-type cast flange-connection filters with different diameter (PFYDI-F type), Y-type welding-connection filters with different diameter (PYFDI-W type) (DN40x32-250 x200, PN≤5.0Mpa)

DN1×DN2	PFYDI-F, L	PFYDI-W, L	H	N
40×32	250	210	160	Rc1/4
50×40	270	240	190	Rc3/8
80×50	320	310	250	Rc3/4
80×65	360	310	260
100×65	410	370	280
100×80	410	370	280
150×100	520	490	360	M20×1.5
200×100	660	600	450
200×150	660	600	450
250×200	870	800	670

(4) Y-type conical thread-connection filters(PFYDII-R type), socket-plug-in welding connection filters (PFYII-SW type) (DN15~40, PN≤5.0Mpa)

PFYII-R,PFYII-SW

DN	L	N	H	PFYII-R	PFYII-SW
DN	L	N	H	D	D	T
15	130	Rc3/8	169	RC1/2	21.8/18.5	10
20	130		179	RC3/4	27.4/25.5	13
25	140		182	RC1	34.2/32.5	13
32	160		209	RC1¼	42.9/38.5	13
40	170		217	RC1½	48.8/45.6	13

(5) Y-type flange welding-connection filters(PFYII-F type), (DN15~400,, PN≤5.0Mpa)

PFYII-F

DN	L	H	N
15	260	180	Rc1/4
20	270	190
25	270	190
32	280	230
40	280	230
50	290	245	Rc3/8
65	320	280
80	350	315
100	425	360
125	480	390
150	540	460	Rc3/4
200	700	540	Rc3/4
250	800	660	M20×1.5
300	950	750
350	1050	845
400	1250	920

(6)Y-type flange welding connection filters with sleeve (PFYJII-F type), (DN20~200,PN≤5.0Mpa)

PFYJII-F

DN	L	H	Inlet & Outera.b	Steam pressure	N
20	370	235	ZG1/2	≤0.6MPa	Rc1/4
25	370	235
32	390	275
40	390	285	ZG3/4
50	420	295			Rc3/8
65	450	330
80	500	370
100	575	415
125	650	450
150	700	525	DN25		Rc3/4
200	890	610	DN25		Rc3/4

(7) Y-type flange connection filters with different diameter (PFYDII-F-A, PFYDII-F-B, PFYDII-F-C type)(PN≤10.0Mpa)
(8) Y-type flange welding connection filters with different diameter (PFYDII-W-A, PFYDII-W-B，PFYDII-W-C type)(PN≤10.0Mpa)

PFYDⅡ—F—A，B，C，PFYDⅡ—W——A，B，C

DN1×DN2	H	DN	PFYDII-F-A,B,C L			PFYDII-W-A,B,C L
DN1×DN2	H	DN	PN≤2.0	PN≤5.0	PN≤10.0	PFYDII-W-A,B,C L
50×40	230	40	320	332	337	190
65×40	240	50	320	332	337	190
65×50	240	50	320	332	338	190
80×40	240	50	320	335	340	190
80×50	280	65	340	355	360	200
80×65	280	65	340	355	360	200
100×50	280	65	400	415	440	260
100×65	310	80	425	440	460	280
100×80	310	80	425	445	460	280
125×65	310	80	415	455	470	280
125×80	350	100	465	485	505	300
125×100	350	100	470	490	520	300
150×80	350	100	490	510	535	330
150×100	350	100	500	520	555	335
150×125	400	125	545	565	600	360
200×100	400	125	570	590	630	390
200×125	400	150	580	600	640	390
200×150	450	150	615	635	675	425
250×125	450	200	645	670	725	455
250×150	450	200	645	670	725	455
250×200	530	200	730	755	810	525
300×150	530	200	780	800	850	575
300×200	530	200	800	825	870	585
300×250	670	250	870	900	960	655
350×200	670	250	860	890	950	655
350×250	670	250	860	890	950	655
350×300	750	300	960	990	1040	720
400250	750	300	1080	1110	1190	850
400×300	750	350	1100	1140	1190	860
400×350	850	350	1180	1220	1270	925

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