131620 – 131631

Butterfly Valve without Flange Set

Lever-operated UPVC butterfly valve for regulating flow. The ergonomic ABS handle has clutches that hold the disc at the angle you choose.

Nominal pressure: PN 10
Pipe size: d 63–315
Nominal size: DN 50–300

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Datasheet: EN TR FR

PN 10 · EPDM Fitvalf Butterfly Valve – without Flange Set

Fitvalf Butterfly Valve – without Flange Set

Video

Fitvalf butterfly valves in motion

Lever handle with angular adjustment, padlock option and ISO 5211 top flange: see the details up close.

Features

Made for demanding water systems.

Ergonomic gripEnhanced ergonomic grip, handle from ABS.
Set any angleThe valve can be positioned at the desired angle with the handle clutches.
EPDM linerLiner from EPDM.
Padlock holeSecurity padlock hole.
Galvanised shaftShaft from galvanised steel; SS316 shaft optional.

Technical data

Choose a size, see every dimension.

Select a size to see its values. Point at a value or a table column to find it on the drawing.

Technical drawing with dimension letters — Technical drawing. Dimensions in mm.

Choose a size

DN: –
inch: –
Code: –
d: –mm
C: –mm
C1: –mm
L: –mm
L1: –mm
L2: –mm
n-F: –
Z: –mm
PN: –
Box: –

Source: Fitvalf 2025–2026 catalogue, p. 29.
mm	DN	inch	Code	d	C	C1	L	L1	L2	n-F	Z	PN	Box
63	50	2”	131620	51	185	72	220	147	112	19-27	38	10	10
75	65	2½”	131621	69	209	86	239	158	119	19-27	41	10	10
90	80	3”	131622	78	209	86	264	172	134	19-26	44	10	8
110	100	4”	131623	101	255	105	307	195	150	21-31	51	10	5
125	110	-	131624	126	255	105	340	215	167	24-29	59	10	4
140	125	5”	131625	126	255	105	340	215	167	24-29	59	10	4
160	150	6”	131626	146	310	105	365	228	181	25-31	65	10	3
200	200	-	131627	200	335	119	452	290	233	22-30	63	10	3
225	200	8”	131628	200	335	119	452	290	233	22-30	63	10	1
250	250	10”	131629	250	310	155	450	325	165	10-25	100	10	1
280	250	-	131630	280	310	155	480	340	195	10-25	110	10	1
315	300	12”	131631	300	320	155	500	350	215	10-25	120	10	1

Same family

More from this family.

Butterfly ValveComplete with Flange SetDetails → 03

Butterfly Valve with Gearboxwithout Flange SetDetails → 04

Butterfly Valve with GearboxComplete with Flange SetDetails →

UPVC Butterfly Valves: all 4 products

Applications

Where it works

Chemical resistance chart

Industrial Water Treatment

Reverse osmosis, demineralisation and neutralisation lines under constant chemical exposure.

Agricultural Irrigation

Fertigation, drip lines and greenhouse headers.

Swimming Pool & Water Features

Chlorine- and salt-resistant circulation lines.

Let’s choose the right one together.

Send us your operating pressure, medium and size; our technical team will get back to you.

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