Product

Lined Equal / Unequal Cross

Our PFA lined cross is available in sizes ranging from 25 mm to 300 mm in diameter, with lining thickness varying from 3 mm to 8 mm depending on size. It features a durable outer body (carbon steel or stainless steel) for mechanical strength, while the inner surface is lined with high-performance fluoropolymers such as PTFE, PFA, or FEP for excellent chemical resistance and an inert flow path. Suitable for full vacuum applications.

Process ready Leak resistant Chemical duty

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Product Overview

Application and service highlights

Introduction

Our PFA lined cross is available in sizes ranging from 25 mm to 300 mm in diameter, with lining thickness varying from 3 mm to 8 mm depending on the size. It is constructed with a durable outer body of carbon steel or stainless steel for mechanical strength, while the inner surface is lined with high-performance fluoropolymers such as PTFE, PFA, or FEP, ensuring excellent chemical resistance and an inert flow path. Our PFA lined cross fittings are suitable for full vacuum applications, ensuring reliable performance under negative pressure conditions.

Key Features

Allows four-way branching from a central flow connection.
Available in equal and reducing outlet configurations.
Helps simplify manifold piping in aggressive chemical service.

Specifications

Material, dimensions and testing standards

Material

Body: Steel fabrication ASTM A 106 GR.B, SCH 40; cast steel ASTM A216 Gr. WCB.
Flange: ASTM A-105 / IS 2062 GR.A.
Lining: PFA conforming ASTM D3307; PP conforming ASTM D4101; PVDF conforming ASTM D3222; HDPE conforming ASTM D3350.

Dimensions

Pipe as per ANSI B36.10.
Flange as per ANSI B16.5, 150#.
Lining and other dimensional tolerance as per ASTM F1545.
Lining thickness: 3 mm to 8 mm.

Testing

100% visual and dimensional check.
100% spark test at 15 KVDC.
100% hydro test at 29 Kg/cm2, holding for 3 minutes, as per ASTM F1545.
100% lining thickness check (>80% of flaring thickness).

Technical Drawing

Cross-sectional reference

Dimensional Specifications

Dimension Detail

Size
NB1	Inch	NB2	L
25	1”	25	89
40	1½”	40	102
50	2”	50	114
50	2”	40	114
50	2”	25	114
80	3”	80	140
80	3”	50	140
80	3”	40	140
80	3”	25	140
100	4”	100	165
100	4”	80	165
100	4”	50	165
100	4”	40	165
100	4”	25	165
150	6”	150	203
150	6”	100	203
150	6”	50	203
200	8”	200	229
250	10”	250	279
300	12”	300	305

Flange Dimension Detail (MM) (ANSI CLASS 150#)

NB	Inch	R/F	P.C.D	D	T	No. of Hole (N)	Hole Dia. (Ø)
25	1”	50.8	79.4	108.0	14.5	4	15.9
40	1½”	73.0	98.4	127.0	17.5	4	15.9
50	2”	92.1	120.7	152.4	19.5	4	19
80	3”	127.0	152.4	190.5	24.0	4	19
100	4”	157.2	190.5	228.6	24.0	8	19
150	6”	215.9	241.3	279.5	25.5	8	22.2
200	8”	269.9	298.5	342.9	29.0	8	22.2
250	10”	323.9	362.0	406.4	30.5	12	25.4
300	12”	381.0	431.8	482.6	32.0	12	25.4