G:

• check 1 1/2''(2)
• check 1 1/4''(2)
• check 1''(2)
• check 2 1/4''(2)
• check 2 3/4''(2)
• check 2''(2)

Tap/valve connection:

• check External thread(1)
• check Internal thread(1)

Valve design:

• check Spherical, 2-way(1)
• check Spherical, 3-way(1)