Buying Guide
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621
Venturi Insert – Wrot
Converts any tee into a special purpose venturi or
scoop tee
APPROX.
NOM. SIZE NET WT./LBS.
1/2 0.01
3/4 0.02
1 0.03
1 1/4 0.04
748
90° Y C x C x C – Cast
APPROX. DIM. A DIM. B
NOM. SIZE NET WT./LBS. INCHES INCHES
1/2 0.11
7
/32
7
/16
3/4 0.25
7
/16
5
/8
1 0.61
1
/2
13
/16
749
45° Y C x C x C – Cast
APPROX. DIM. A DIM. B
NOM. SIZE NET WT./LBS. INCHES INCHES
1/2 0.15 1
3
/32
7
/8
3/4 0.30 1
17
/32 1
7
/32
1 0.55 1
13
/16 1
15
/32
1 1/4 0.81 2
1
/4 1
7
/8
1 1/2 1.14 2
5
/8 2
1
/8
2 2.17 3
5
/16 2
3
/4
Consult price sheet for Made to Order items and
for minimum order quantities.
UNIONS
733-2
Fitting Union Ftg x C – Cast
APPROX. DIM. B
NOM. SIZE NET WT./LBS. INCHES
1/2 0.23 1
9
/32
3/4 0.36 1
5
/8
1 0.50 1
27
/32
733-3
Fitting Union C x F – Cast
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
1/4 0.14 1
5
/32
3/8 0.19 1
3
/32
1/2 0.27 1
1
/8
3/4 0.40 1
5
/16
1 0.59 1
13
/32
1 1/4 0.93 1
19
/32
1 1/2 1.35 1
13
/16
2 1.89 1
15
/16
2 1/2 3.66 –
733-4
Union C x M – Cast
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
1/4 0.13 1
1
/2
3/8 0.20 1
5
/8
1/2 0.29 1
11
/16
1/2 x 3/4 0.35 2
1
/16
3/4 0.43 1
29
/32
1 0.64 2
1
/8
1 1/4 0.94 2
5
/32
1 1/2 1.29 2
13
/32
2 2.23 2
25
/32
2 1/2 4.21 3
13
/32
633-W
Union C x C – Wrot
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
1/4 0.13
1
/2
3/8 0.12
7
/16
1/2 0.12
7
/16
3/4 0.28
7
/16
1 0.44
1
/2
733
Union C x C – Cast
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
1/4 0.10
11
/16
3/8 0.15
7
/16
1/2 0.21
13
/32
5/8 0.30
21
/32
3/4 0.31
3
/8
1 0.53
1
/2
1 1/4 0.75
9
/16
1 1/2 1.06
23
/32
2 1.85
1
/2
2 1/2 3.33 1
3 4.75 1
5
/32
VENTURI
Y’s
▲ Also available in Lead-Free*. For
additional details, see our Lead-Free*
literature on www.nibco.com.
*Weighted average lead content ≤ 0.25%
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WARNING: This product can expose you
to chemicals including lead, which is known
to the State of California to cause cancer and
birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.
Revision 7/23/2018